A fearless soldier, Marcin Kabat, returns from war and befriends the outlaw Sarka-Farka as they journey to Devil’s Mill, where demons prey on human souls. When two maidens, Princess Disperanda and her handmaiden Kasia, fall victim to Beelzebub’s pact, Marcin and Sarka-Farka use courage and cunning to outwit the devils and save them from infernal temptation.