Cinema Hits on Instagram: "Shutter Island (2010) is a psychological thriller directed by Martin Scorsese and starring Leonardo DiCaprio. The movie is about Teddy Daniels, a U.S. Marshal who travels with his partner to Shutter Island, a remote mental institution, to investigate the disappearance of a patient. As Teddy digs deeper, he uncovers strange behavior among the staff, disturbing secrets, and his own haunting past. The film explores themes of guilt, trauma, and the thin line between sanity