When the gang teases Robin about not being a real New Yorker, she sets out to prove them wrong by racing to catch a glimpse of Woody Allen.
A stalker in San Diego targets college students; Strauss scrutinizes the team after the loss of Prentiss.
Jane and Maura are brought into the world of Keltic writings by the murder of a rare bookseller; Maura prepares Jane to meet her new man; Angela's relationship with Cavanaugh changes.
A murder forces Ducky to disclose his participation in a secret society devoted to solving cold cases.
Don's team investigates the world of alternate-reality gaming when a player plunges to his death; Amita's hidden gaming ability becomes the key to tracking down the killer.