Beth, Jack and the Threat Assessment Unit (TAU) investigate after a teenaged girl has a stalker break into her house, but quickly realize that she is not the one being targeted. Meanwhile, Perry pays Beth an unsolicited visit at work.

Beth and Jack investigate an attack by a stalker who preys on his victims' phobias. Meanwhile, Beth learns a friend is seeing someone who, unbeknownst to both women, has ties to her.