Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Daleks confirm Susan’s disappearance
S1E6
·
The Survivors
To
Susan’s Fall and the Unseen Threat
S1E6
·
The Survivors
Why These Connect
The narrative assertion
"The Daleks losing track of Susan directly leads to her being unseen amidst the dangers of her environment and being fearful of the unseen."
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.