Based on the acclaimed bestselling psychological thriller from Dennis Lehane, timed to release with the feature film directed by Martin Scorsese and starring Leonardo DiCaprio. In 1954, U.S. Marshal Teddy Daniels and his partner, Chuck Aule, are sent to Shutter Island to find a mass murderer who has escaped from Ashcliffe Hospital, an institution for the criminally insane. Following a trail of puzzling clues, Daniels and Aule realize they've stumbled into an evil puzzle. But the closer they get to the truth, the more elusive it becomes, and the more they begin to fear that someone is trying to drive them insane.