A postman in a small mountain village finds a woman and her son both dead in the "grotte aux loups" (cave of wolves). He soon begins to realize than it's not natural death, and that someone in the village in behind their murder, while tragic events occur.

• TSR
• Telvétia
• Claude Jade
• Alain Claessens
• Michel Cassagne
• Maurice Aufair
• Bernard Born
• Jacqueline Burnand
• Neige Dolsky
• Yvonne Stara