Sergeant Cruchot and his faithful comrades have been sent to the International Congress of Gendarmerie in N.Y.
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.
A German intelligence officer investigates a prostitute's killing in Warsaw during World War II. He lands on three major Nazi generals as suspects, two of whom are also involved in a plot to kill Adolf Hitler.