The Nazis, exasperated at the number of escapes from their prison camps by a relatively small number of Allied prisoners, relocate them to a high-security 'escape-proof' camp to sit out the remainder of the war. Undaunted, the prisoners plan one of the most ambitious escape attempts of World War II. Based on a true story.

During the Japanese colonial era, roughly 400 Korean people, who were forced onto Battleship Island 'Hashima Island' to mine for coal, attempt to escape.

It's a dreary Christmas 1944 for the American POWs in Stalag 17 and the men in Barracks 4, all sergeants, have to deal with a grave problem—there seems to be a security leak.