Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor confirms Zygon plot at wreckage
S13E4
·
Terror of the Zygons Part 4
To
Zygon smuggles device into Stanbridge cellar
S13E4
·
Terror of the Zygons Part 4
Why These Connect
The narrative assertion
"The information that the Prime Minister is heading to Stanbridge House narrows the search area, leading the fake Duke (Broton) to plant the signalling device in the exact location (the cellar) intended for the Skarasen’s activation."
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.