Michel Delasalle, a cruel and abusive boarding school headmaster, becomes the target of a murder plot set by an unlikely duo—his wife and his mistress, bound by their mutual hatred for the man. But a few days after they commit the crime, Michel’s corpse mysteriously disappears…

A snaking tale of marital infidelity and exacting, cold-blooded murder, Clouzot’s landmark thriller ended by asking audiences not to spoil it for their friends. Suffice it to say that Diabolique was a major influence on Hitchcock’s Psycho, and with an ending sure to make your heart pound!