Michel Dumur
The owner of a suburban boarding school is found murdered. The culprit will be unmasked thanks to the ingenuity and courage of the good Janine and a student, named Nadine.
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.
