Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Romana abducted outside the TARDIS
S18E18
·
Warrior's Gate Part 2
To
Rorvik publicly binds Romana to the navigator's chair
S18E18
·
Warrior's Gate Part 2
Why These Connect
The narrative assertion
"Rorvik's crew's abduction of Romana leads directly to her being introduced as a potential navigator to the crew on the bridge of their spaceship, where Rorvik reveals his plan to use her."
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.