Rachel struggles in the aftermath of an incident with Darius, revealing a huge secret to Coleman that might affect his next move.
Claire and Sean track down a man who had his own deadly encounter with Drill, over 30 years ago.
Claire, Sean, Wes and Lena attempt to unravel the past of a man who first encountered Drill over 30 years ago, which could lead to a way to kill it, before Drill finds a way to murder the man first.
