A hack screenwriter writes a screenplay for a former silent film star who has faded into Hollywood obscurity.
A seductive housewife draws an insurance salesman into a plot of adultery and crime to collect on her husband's life insurance.
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.