At Stalag 13, a German prisoner-of-war camp, Colonel Robert Hogan and his fellow cohorts are a subversive group with many hidden talents. However, a spy has been planted amongst the men by the Germans.

When Colonel Klink boasts that the Nazis' new Tiger Tank will lead the Germans to victory, Colonel Hogan devises a plan to get his hands on one of the vehicles, have it disassembled, send its blueprints to the Allies, and reassemble it --- right under Klink's nose.