Psycho is a 1960 horror film directed by Alfred Hitchcock, based on the novel by Robert Bloch. It tells the story of Marion Crane, who is murdered by Norman Bates after stealing money at a motel he owns. The film is known for its innovative editing techniques and shocking shower scene murder of the main character. Hitchcock aimed to subvert audience expectations through twists and surprises, most notably killing off the main character early in the film. The film was a major box office success and is considered one of the most influential films in the horror genre.