Another one of Alfred Hitchcock's brilliant virtuoso exercises, which brought him closer to the peak of his creative output in the 1950s and 60s. The new director of a psychiatric institution believes he is suffering from amnesia and is convinced that somewhere in his past he murdered the former director. A romantic affair between him and one of the institution's doctors restores his sanity, and together they uncover the real murderer. This is a meticulously crafted psychological thriller that blends elements of suspense, romance, psychoanalysis, and even surrealism. The dream sequence was designed by Salvador Dalí.