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.

Professor Genessier is guilt-stricken after his daughter’s face is disfigured in a car accident. He intends to rebuild his daughter’s face via grafting skin tissue; he only needs a supply of donors to experiment on.