A group of travelers, including a monk, stay in a lonely inn in the mountains. The host confesses the monk his habit of serving poisoned soup to the guests, to rob their possessions and to bury them in the backyard.

Fernandel
as The Monk

Françoise Rosay
as Marie Martin

Marie-Claire Olivia
as Mathilde

Jean-Roger Caussimon
as Darwin

Nane Germon
as Ms. Élisa

Didier d'Yd
as Jeannou

Lud Germain
as Fétiche

Jacques Charon
as Rodolphe

Andrée Vialla
as Marquise Caroline de La Roche de Glun

Julien Carette
as Martin