Sophie discusses fear and explains its purpose: to keep us alive. She illustrates what happens to our bodies when we're scared and mentions the different ways in which fear can be evoked. She then talks about the flight or flight response and references Charles Darwin's "Flinch" experiment that he conducted on himself.

Wendy Torrance screams in fear as her husband Jack tears down the door to the bathroom to get to her.

After the stranger on the phone reveals some startling information, Casey fears she is being stalked by whoever she is speaking with.

Charlie Simms walks in on the Colonel wielding his pistol and fears for what he may do next.

Carter spies a man trying to talk to Leah and without explanation he launches into a rage and beats the man.