Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor pledges direct London intercept
S13E4
·
Terror of the Zygons Part 4
To
Doctor confirms Zygon plot at wreckage
S13E4
·
Terror of the Zygons Part 4
Why These Connect
The narrative assertion
"After the Doctor assesses that Broton escaped with control of the Skarasen, he decides to head to London to prevent an attack, setting the central action of Act 3 into motion."
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.