After two Americans are killed while escaping from a German P.O.W. camp in World War II, the barracks black marketeer, J.J. Sefton, is suspected of being an informer. // It's a dreary Christmas 1944 for the American POWs in Stalag 17. For the men in Barracks 4, all sergeants, have to deal with a grave problem - there seems to be a security leak.
Six American GIs stationed in Italy befriend an orphaned boy, but the soldiers remain unaware that the lad has stowed away with them when they return to the U.S.
