Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Susan confirms Ian and Barbara’s survival
S2E2
·
Dangerous Journey
To
Ian and Barbara Commit to the Descent
S2E2
·
Dangerous Journey
Why These Connect
The narrative assertion
"Confirmation of communication with Ian and Barbara leads them to commit to the perilous descent to reunite."
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.