World War II soldier-turned-U.S. Marshal Teddy Daniels investigates the disappearance of a patient from a hospital for the criminally insane, but his efforts are compromised by troubling visions and a mysterious doctor. Teddy Daniels and Chuck Aule, two US marshals, are sent to an asylum on a remote island in order to investigate the disappearance of a patient, where Teddy uncovers a shocking truth about the place. Shutter Island is a 2010 American neo-noir psychological thriller film directed by Martin Scorsese.