A new follower is found in Rick, who is on a determined path to follow through on Carroll's orders. Hardy and the FBI attempt to predict Rick's course of revenge, which leads to a surprising outcome. Meanwhile, Paul's jealousy over Emma and Jacob's relationship leads to a breaking point, and the origin of Hardy and Carroll's relationship.

Joe Carroll's true intentions are revealed through a new follower, Charlie. As Ryan learns of Joe's plans, he tries to stall Emma, Jacob and Paul by taunting them in hopes of turning them against each other. Meanwhile, Emma makes a shocking decision.

With Weston still in the hospital, Ryan and Parker attempt to outsmart their new leader Nick as a way to continue their search. In a surprising move, Joe reaches out to Ryan to demand Claire's location and reveals that he will go to great lengths to lure her out of FBI custody. Meanwhile, followers from the past make a shocking return.

Ryan and the FBI discover a follower who might be able to lead them to Joe Carroll's location. Agent Weston returns to the case but his run-in with the cult may have had a bigger impact on him than anyone originally thought. Meanwhile, Claire and Emma come face-to-face for the first time since Joey's kidnapping.