When a young woman is harassed by a mob of people, Beth and Jack realize they are dealing with a rare case of group stalking. Also, Ray escalates his plan to isolate Beth from her closest allies.

Beth desperately fights for her life after her deranged stalker drags her to a remote cabin in Ojai, leaving Jack and Janice to frantically search for clues to their location. Also, the TAU waits for updates on Ben's prognosis after he was shot.