An actress, Nina is attacked in her home by a masked man. She manages to get into her panic room and he runs off. She is part of a TV show and it appears the man is copying plots from the show.
At first it seems like a member of the paparazzi is the stalker. Then the frame shifts to her sister after she lets the previous paparazzi in on where to get the best shot of Nina. The team are at a loss when they can't find out who the real stalker is. Until, he makes himself known in a lift. He seems to think that Nina has been emailing him, but it turns out it was his mother sending him the email and that's when the obsession begun.
The son is arrested and the mom takes matters into her own hands and attempts to kill Nina. She is caught and stopped by Beth.
Perry steals Beth's alarm code and breaks into her apartment and moves things around. He also sends her a card with a news clipping about the death of her family.
Jack tries to dig for dirt on Beth after realizing he doesn't know anything about her.