What Did That Pineapple Ever Do to You?

Shawn is asked onto a case by the chief involving a serial killer in the nearby Starling City. But when he gets there, he finds himself getting drawn into things he shouldn't be, and befriending people he should have stayed away from. Will our favorite pseudo psychic be able to escape the clutches of a madman hellbent on getting his revenge? Rated T for anything that may happen