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.

• Véra Films
• Filmsonor
• Véra Clouzot
• Simone Signoret
• Paul Meurisse
• Charles Vanel
• Jean Brochard
• Pierre Larquey
• Michel Serrault
• Yves-Marie Maurin