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 … Véra Clouzot, Simone Signoret, Jean Brochard, Pierre Larquey, Michel Serrault, Paul Meurisse, Charles Vanel Added on HBO 2023-06-27, leaving 2024-10-01. Youtube Trailer