S4E18 · Identity Crisis graph

Geordi’s transformation exposed and escape

The away team materializes near the abandoned shuttle on Tarchannen Three, where Susanna immediately warns them to turn off their palm beacons, fearing the light will trigger the transformed creatures. Data activates a UV beacon, revealing two fully transformed Tarchannen creatures and a partially transformed Geordi hiding in the underbrush. When Worf and Riker attempt to restrain Geordi, he overpowers them and flees, driven by primal instincts. Susanna pursues him, using their shared history and empathy to coax him out of hiding. She appeals to his fading humanity, urging him to trust her and take her hand. Geordi hesitates but ultimately relents, allowing Susanna to transport him back to the Enterprise for medical treatment. The moment marks a critical escalation in Geordi’s descent into the alien form, as well as a turning point in Susanna’s mission to save him before he fully succumbs. The scene underscores the tension between Geordi’s deteriorating humanity and the alien instincts consuming him, while Susanna’s tactical leadership and emotional connection to him become the key to his potential salvation.

Plot Beats

The narrative micro-steps within this event

1

Data activates the UV beacon, revealing two Tarchannen creatures and Geordi partially hidden. Worf and Riker attempt to restrain Geordi, but he evades them and flees.

discovery to pursuit

Who Was There

Characters present in this moment

10

Hesitant and confused, caught between primal fear and a flicker of trust; inwardly battling the overwhelming pull of transformation.

Geordi La Forge is partially transformed into a Tarchannen creature, hiding in the underbrush with two fully transformed aliens. When Data's ultraviolet beacon exposes him, Worf and Riker attempt to restrain him, but he overpowers them with primal strength and flees deeper into the secluded area. Susanna finds him huddled with the other creatures behind rocks, and after a hesitant struggle between his alien instincts and residual humanity, he reaches out and takes her hand, allowing transport back to the Enterprise.

Goals in this moment
  • Flee from the threatening UV light and human contact
  • Resist capture by the away team
  • Ultimately respond to Susanna's familiar voice and trust her
Active beliefs
  • The light is a threat that triggers fear
  • Susanna's voice is familiar and safe
  • A part of him still wants to be human
Character traits
instinctual conflicted withdrawn torn between humanity and alien nature
Follow Geordi La …'s journey

Determined yet vulnerable, with deep concern for Geordi and a hopeful urgency to reach his fading humanity before it's too late.

Susanna Leijten leads the away team, immediately warning them to turn off their palm beacons to avoid frightening the transformed creatures. She identifies the area where Geordi is hiding and, after Data's UV beacon reveals him, she pursues him alone into the secluded area behind rocks. She speaks gently and persuasively, reaching out her hand and using their shared history to coax the partially transformed Geordi out of hiding, eventually taking his hand as they prepare to beam back to the Enterprise.

Goals in this moment
  • Rescue Geordi from further transformation
  • Gain Geordi's trust by appealing to their shared history
  • Ensure safe transport to Sickbay for medical treatment
Active beliefs
  • Her familiar voice and personal connection can reach the part of Geordi that remains human
  • Geordi can still be saved if he trusts her
  • The transformed creatures are driven by instinct and fear of light
Character traits
empathetic decisive persuasive tactical compassionate
Follow Susanna's journey
Supporting 7

None—these creatures operate on pure instinct, their actions driven by survival and the contagion’s programming.

The two fully transformed Tarchannen creatures are revealed by Data’s ultraviolet beacon, their grotesque forms highlighted in the eerie blue glow. They react with primal instinct, bolting into the darkness when the team approaches, their movements erratic and uncoordinated. Their presence serves as a stark reminder of what Geordi is becoming—and what he will be if he isn’t saved. Their flight underscores the urgency of the situation, as the team realizes they are racing against the contagion’s inexorable pull.

Goals in this moment
  • To escape the team’s pursuit, driven by the contagion’s instinct to survive and avoid capture.
  • To avoid the ultraviolet light, which disrupts their hiding places but does not harm them.
Active beliefs
  • That the team is a threat to their survival, and that fleeing is the only viable response.
  • That the darkness provides safety, while light exposes them to danger.
Character traits
Primal and instinct-driven Highly reactive to light Physically agile but uncoordinated Completely devoid of humanity Aggressive when threatened
Follow Emilita Mendez's journey

None—this creature operates on pure instinct, its actions driven by survival and the contagion’s programming.

Tarchannen Creature 2 (fully transformed) is revealed alongside Creature 1 by Data’s ultraviolet beacon. Like its counterpart, it reacts with primal instinct, bolting into the darkness when the team approaches. Its presence reinforces the team’s understanding of the contagion’s irreversible effects and the need to act quickly to save Geordi. The creature’s erratic flight underscores the fragility of Geordi’s remaining humanity and the team’s race against time.

Goals in this moment
  • To escape the team’s pursuit, driven by the contagion’s instinct to survive and avoid capture.
  • To avoid the ultraviolet light, which disrupts its hiding place but does not harm it.
Active beliefs
  • That the team is a threat to its survival, and that fleeing is the only viable response.
  • That the darkness provides safety, while light exposes it to danger.
Character traits
Primal and instinct-driven Highly reactive to light Physically agile but uncoordinated Completely devoid of humanity Aggressive when threatened
Follow Tarchannen Creature …'s journey

Neutral and calm, operating with logical precision under the urgency of the rescue.

Data carries and activates the modified emergency beacon, flooding the area with intense blue ultraviolet light that reveals the two fully transformed Tarchannen creatures and the partially transformed Geordi hiding in the underbrush. After Geordi flees, Data pursues him at android speed, holding the beacon high, but temporarily loses the trail in the dense foliage.

Goals in this moment
  • Use the UV beacon to locate Geordi and the creatures
  • Pursue and capture Geordi for medical treatment
Active beliefs
  • Ultraviolet light is beyond the creatures' visual spectrum and will not frighten them
  • Geordi's location can be pinpointed with the beacon
Character traits
analytical efficient physically capable focused
Follow Data's journey

Frustrated and tense, driven by the urgency to capture Geordi but momentarily defeated by Geordi's alien strength.

Worf materializes with the team and participates in the search. When Geordi is exposed, Worf rushes to restrain him alongside Riker, but Geordi overpowers him with unexpected strength. Worf then remains with the away team, watching as Susanna reaches Geordi.

Goals in this moment
  • Subdue Geordi to prevent his escape
  • Maintain security for the away team
Active beliefs
  • Geordi is a potential threat due to his transformation
  • Physical force is necessary to restrain him
Character traits
physically assertive tactical frustrated by failure
Follow Worf's journey

Alert and concerned, focused on the safety of the team and the successful recovery of Geordi.

Commander Riker materializes with the away team near the abandoned shuttle and follows Susanna's instructions to turn off the palm beacons. He then leads the team in the search, and when Geordi is revealed, he attempts to restrain him alongside Worf, but Geordi overpowers them both. He later watches from a distance as Susanna coaxes Geordi out of hiding.

Goals in this moment
  • Secure Geordi for medical help
  • Protect the away team from potential threats from the transformed creatures
Active beliefs
  • Susanna's familiarity with the planet makes her guidance critical
  • Geordi must be restrained for his own safety
Character traits
authoritative deferential to Susanna's knowledge quick to act
Follow William Riker's journey

Concerned for Geordi's condition but composed and efficient when initiating the beam-out.

Dr. Beverly Crusher materializes with the away team and initially reacts with concern when she sees Geordi's transformed state. She observes Susanna's interaction with Geordi from a distance, and once Geordi takes Susanna's hand, she taps her comm badge to order transport directly to Sickbay.

Goals in this moment
  • Ensure Geordi receives immediate medical attention
  • Coordinate safe transport back to the Enterprise
Active beliefs
  • Geordi needs urgent medical treatment to reverse the transformation
  • Transport to Sickbay is the best course of action
Character traits
observant medically focused quick to coordinate evacuation
Follow Beverly Crusher's journey

Primarily driven by fear of the UV light and human contact, operating on pure survival instinct.

Two fully transformed Tarchannen creatures are revealed by Data's ultraviolet beacon, huddled with Geordi in the underbrush. They immediately rush off into the darkness, shoving aside vegetation, and later scramble away from Susanna's approach behind the rocks, leaving Geordi alone.

Goals in this moment
  • Flee from the UV light
  • Avoid human interaction
Active beliefs
  • The light is a threat
  • Humans are to be avoided
Character traits
instinctual agile light-avoidant
Follow Tarchannen Creatures's journey
Anthony Brevelle

Brevelle is mentioned by Susanna as one of the fully transformed crew members, his humanity erased by the contagion. His …

Objects Involved

Significant items in this scene

4
Beverly's Starfleet Comm Badge

Beverly’s Starfleet comm badge is the lifeline that connects the away team to the Enterprise and ultimately secures Geordi’s rescue. When she taps the insignia to initiate the transport, it chirps to life, establishing a direct link to the ship’s transporter room. The badge’s activation is a pivotal moment, marking the transition from the desperate search on Tarchannen Three to the medical intervention Geordi so desperately needs. Its role is both practical (facilitating communication and transport) and symbolic (representing the team’s reliance on Starfleet’s resources to save one of their own).

Before: Attached to Beverly’s uniform, dormant but ready for …
After: Activated, establishing a connection to the Enterprise and …
Before: Attached to Beverly’s uniform, dormant but ready for activation to coordinate the transport.
After: Activated, establishing a connection to the Enterprise and initiating the transport of Geordi and Susanna to Sickbay.
Geordi's Tampered Emergency Beacon

Data’s modified ultraviolet emergency beacon is the linchpin of the team’s ability to locate Geordi and the transformed creatures. Its blue glow pierces the darkness, revealing the creatures’ hiding places without triggering their flight response. The beacon’s precision allows Data to track Geordi’s movements, even as he flees, and ultimately exposes the secluded area where Geordi is huddled. Its functional role is both tactical (locating targets) and narrative (symbolizing the team’s desperate search for a way to reach Geordi before it’s too late).

Before: Activated and held by Data, its filament glowing …
After: Still active, its light continues to illuminate the …
Before: Activated and held by Data, its filament glowing intensely as he scans the underbrush for signs of Geordi and the creatures.
After: Still active, its light continues to illuminate the secluded area as Susanna coaxes Geordi out of hiding, ensuring the team can see and intervene.
Riker, Worf, Data, Geordi, and Susanna's Palm Beacons

The palm beacons, initially activated by the team upon materializing, are swiftly turned off at Susanna’s warning. Their light triggers the transformed creatures’ aggressive instincts, making them a critical hazard in the environment. The beacons’ sudden deactivation is a tactical maneuver, shifting the team’s approach from illumination to stealth. Their role here is dual: as a tool that nearly compromises the mission and as a lesson in the creatures’ sensitivity to light, which informs the team’s use of the ultraviolet beacon later.

Before: Activated by the team, casting bright light across …
After: Deactivated by the team, plunging the area back …
Before: Activated by the team, casting bright light across the desolate landscape, triggering the creatures’ aggression.
After: Deactivated by the team, plunging the area back into the planet’s natural twilight, allowing for safer movement.
Ultraviolet Light

The ultraviolet light emitted by Data’s beacon is the key to uncovering the transformed creatures’ hiding places. Unlike regular light, it does not provoke the creatures to flee, making it an essential tool for the team’s search. The light’s eerie blue glow casts long shadows across the underbrush, creating a surreal atmosphere that heightens the tension of the moment. Its ability to reveal the creatures without harming them underscores the team’s careful balance between aggression and caution, as they navigate the delicate task of rescuing Geordi without provoking a worse reaction from the contagion.

Before: Contained within Data’s beacon, awaiting activation to reveal …
After: Emitted in a wide arc, illuminating the underbrush …
Before: Contained within Data’s beacon, awaiting activation to reveal the creatures’ locations.
After: Emitted in a wide arc, illuminating the underbrush and exposing the creatures’ hiding places, including Geordi’s.

Location Details

Places and their significance in this event

3
Secluded Area Behind Rocks (Tarchannen III)

The secluded area behind the rocks is the final hiding place of Geordi and the transformed creatures, a last bastion of resistance before Susanna’s emotional appeal breaks through. This location is a microcosm of the larger conflict: the rocks provide physical shelter, but the creatures’ presence turns it into a prison of primal instincts. The ultraviolet light exposes the truth of what Geordi is becoming, forcing him to confront the choice between fleeing into the darkness or trusting Susanna’s outstretched hand. The mood here is one of desperate hope, as the team watches from a distance, their breath held in anticipation.

Atmosphere Intense and emotionally charged—the air is thick with the weight of Geordi’s struggle, and the …
Function The emotional and physical crux of the event, where Geordi’s fate is decided. It is …
Symbolism Symbolizes the final moments of Geordi’s internal battle—the rocks represent the barriers he has built …
Access Restricted by the creatures’ aggression and Geordi’s primal instincts—only Susanna’s voice and the team’s patience …
Jagged rocks forming a natural barrier, casting deep shadows in the ultraviolet light The huddled forms of Geordi and the creatures, barely visible in the gloom The eerie, otherworldly glow of the beacon, highlighting the stark contrast between humanity and the alien The team watching from a distance, their presence a silent support for Susanna’s efforts
Secluded Underbrush (Tarchannen III)

The secluded underbrush is where the climax of the event unfolds, a hidden pocket of the planet’s terrain that becomes the battleground for Geordi’s soul. The dense foliage and jagged rocks create a claustrophobic, shadowed space, where the team’s ultraviolet beacon cuts through the darkness to reveal the huddled forms of Geordi and the transformed creatures. This location is both a physical barrier (hiding the creatures from view) and a psychological one (symbolizing the internal struggle Geordi is facing). The atmosphere here is thick with tension, as Susanna’s voice cuts through the primal instincts of the contagion, offering Geordi a way out.

Atmosphere Claustrophobic and tense—the air is still, broken only by the rustling of leaves and the …
Function Confrontation point, where the team must balance tactical precision with emotional appeal to reach Geordi …
Symbolism Represents the internal conflict raging within Geordi—the darkness of the underbrush mirrors the alien instincts …
Access Restricted by the dense underbrush and the creatures’ aggressive instincts—only Susanna’s voice and the ultraviolet …
Dense, tangled foliage that obscures movement and hides the creatures Jagged rocks providing cover for the huddled figures, casting long shadows in the ultraviolet light The eerie glow of the beacon, cutting through the darkness to reveal the transformed forms The rustling of leaves and the occasional scuffle of the creatures, heightening the sense of urgency
Tarchannen III Outpost Landscape

The Tarchannen Three outpost landscape serves as the primary setting for the event, its desolate, twilight-drenched terrain amplifying the tension and urgency of the team’s mission. The spindly black plants and flawless sand create an otherworldly atmosphere, where every shadow could hide a transformed creature. The landscape’s eerie stillness mirrors the alien contagion’s stealth, making the team’s search feel like a race against an unseen, creeping horror. The outpost’s abandoned buildings and the derelict shuttle add to the sense of isolation, reinforcing the stakes of the rescue mission.

Atmosphere Oppressive and eerie—the perpetual twilight casts long shadows, and the silence is broken only by …
Function Primary battleground and search area, where the team must navigate the hazards of the transformed …
Symbolism Represents the fragility of human presence in the face of an indifferent, hostile universe. The …
Access Open but treacherous—the team must move carefully to avoid triggering the creatures, and the terrain …
Perpetual twilight casting long, shifting shadows Spindly black plants thrusting from dunes, creating a labyrinthine underbrush Flawless sand with no footprints, no tracks, no signs of struggle—only the eerie stillness of a planet that has consumed its visitors The derelict shuttle, a silent witness to the contagion’s spread

Organizations Involved

Institutional presence and influence

2
Starfleet

Starfleet’s protocols and values are the invisible framework guiding the away team’s actions. The organization’s emphasis on crew safety, scientific inquiry, and adaptability to unknown threats is evident in every decision made during the event. Susanna’s firsthand knowledge of the creatures’ behavior, for example, is a direct result of Starfleet’s training and her experience as an away team leader. Similarly, the team’s reliance on the Enterprise’s transporter and medical resources reflects the organization’s commitment to supporting its personnel in the field. Starfleet’s influence is also seen in the team’s disciplined approach to the crisis, balancing tactical precision with emotional intelligence—a hallmark of the organization’s culture.

Representation Through the actions and decisions of its personnel (Susanna’s leadership, Beverly’s medical coordination, Riker’s tactical …
Power Dynamics Exercising authority through training, protocol, and resource allocation, while also being challenged by the unknown …
Impact The event reinforces Starfleet’s role as a protective and exploratory force, balancing the need to …
Internal Dynamics The event reflects the tension between individual agency (Susanna’s personal stake in Geordi’s survival) and …
To ensure the safe recovery of Geordi La Forge, a valued crew member, using all available Starfleet resources. To gather critical data on the alien contagion and its effects, in accordance with Starfleet’s mission of exploration and scientific inquiry. Training and expertise of personnel (Susanna’s firsthand knowledge, Beverly’s medical skills, Data’s technical precision) Institutional resources (transporter, medical facilities, sensor technology) Protocols and procedures (transport coordination, emergency medical response, away team protocols) Cultural values (crew safety, adaptability, scientific curiosity)
USS Enterprise (NCC-1701-D)

The USS Enterprise is the ultimate lifeline for the away team, providing the medical, technological, and logistical support necessary to rescue Geordi. Though physically absent from the scene, its presence is felt through Beverly’s comm badge, which connects the team to the ship’s transporter room. The Enterprise’s resources—its advanced medical facilities, its transporter technology, and its crew’s expertise—are critical to the success of the mission. The organization’s influence is exerted through its protocols (e.g., the need for a direct signal to initiate transport) and its institutional commitment to the safety of its crew, even in the face of an unknown alien threat.

Representation Via institutional protocol (transport coordination) and technological resources (transporter, medical facilities).
Power Dynamics Exercising authority over the away team’s actions, providing the means for their success, and ultimately …
Impact The Enterprise’s ability to respond swiftly to the away team’s needs underscores the organization’s role …
Internal Dynamics The event highlights the seamless coordination between the away team and the Enterprise’s bridge and …
To ensure the safe extraction of Geordi and Susanna from Tarchannen Three, using the ship’s transporter technology. To provide immediate medical intervention for Geordi upon his return, leveraging the Enterprise’s advanced Sickbay facilities. Technological resources (transporter, medical equipment) Institutional protocols (transport coordination, emergency medical procedures) Collective expertise of the crew (Beverly’s medical guidance, Data’s technical support)

Narrative Connections

How this event relates to others in the story

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Themes This Exemplifies

Thematic resonance and meaning

Key Dialogue

"SUSANNA: No... you must turn them off... the light frightens them..."
"SUSANNA: Geordi... stop... Geordi, my voice is familiar... listen to it... you can feel that we share this... you know I am not a threat..."
"SUSANNA: The others... Mendez, Brevelle, they no longer exist as humans... but a part of you still does. You are not one of them... not yet. I can help you... if you'll just trust me..."
"SUSANNA: Look at me... I've come back... Let me take you back, too."
"SUSANNA: We're going home, Geordi."