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.
A Manhattan insurance clerk tries to rise in his company by letting its executives use his apartment for trysts, but complications and a romance of his own ensue.
