Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Ryan Defends Tommy’s Gift
S2E4
·
Happy Valley S02E04
To
Ryan hides his letter to Tommy
S2E4
·
Happy Valley S02E04
Why These Connect
The narrative assertion
"Catherine reacts powerfully to Ryan calls Tommy his Dad culminating Ryan to write a thank you letter, showing him believing in what he is told."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.