Diaboliques

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.

• boarding school
• disappearance of a dead body
• drowning in a bathtub
• school principal
• surprise ending