Diabolique
See it, be amazed at it, but... BE QUIET ABOUT IT!
1/29/1955
Imdb: tt0046911
Tmdb: 827
Popularity: 13.043
Vote: 7.9/10 (965)

The cruel and abusive headmaster of a boarding school, Michel Delassalle, is murdered by an unlikely duo -- his meek wife and the mistress he brazenly flaunts. The women become increasingly unhinged by a series of odd occurrences after Delassalle's corpse mysteriously disappears.