An old count hides just before he dies to annoy his heirs. The heirs search a manor for the count's body and are killed off one by one. Jean-Marie, his fiancée Micheline, and Edwige investigate the deaths and search for the count's body.

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Main Cast: Pierre Brasseur, Pascale Audret, Marianne Koch, Jean-Louis Trintignant, Dany Saval, Jean Babilée, Georges Rollin, Gérard Buhr, Maryse Martin, Serge Marquand

Director: Georges Franju

Writers: Georges Franju, Thomas Narcejac, Pierre Boileau, Robert Thomas

Editor: Gilbert Natot

Cinematographer: Marcel Fradetal

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