Captain Carvallo and his batman are billeted in a farmhouse in occupied Ruritania territory. The batman and the serving maid are attracted to each other. The Captain tries to seduce the farmer's wife Smilja. A member of the resistance turns up and the Captain mistakes him for Smilja's husband Caspar.
When Caspar shows up he realises that something is going on and puts them on trial. They persuade him to put them on parole instead but then the resistance orders them to be killed.