When Hell Broke Loose

Near the end of the war, GI Steve Boland, a self-described "sharp-operator", meets a German girl, Ilsa, and they fall in love. Ilsa's brother Karl and his fellow-Nazi Ludwig visit Ilsa and announce they are "Werewolves", Nazi assassins parachuted behind Allied lines. She and Steve go to Army Intelligence with they information, where Steve is immediately arrest for being A.W.O.L.