Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor and companions arrive on ruined Earth
S12E9
·
The Sontaran Experiment Part 1
To
Sarah finds the Doctor's screwdriver on globe
S12E9
·
The Sontaran Experiment Part 1
Why These Connect
The narrative assertion
"Sarah's separation from the Doctor after arrival (beat_3dd5d10bc70a438b) drives her to search for him and inadvertently find the sonic screwdriver (beat_472b17c16d2a031b), initiating her agency in the narrative."
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.