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.
Comte de Kerloquen
Jeanne
Edwige
Jean-Marie de Kerloquen
Micheline
Christian de Kerloquen
Claude Benoît-Sainval
Henri
Marthe
Yvan
Julien
Le notaire
Guillaume
André
Le cocher
L'opérateur du Son et Lumière
