Hogan dispatches Sergeant Kinchloe on a mission to warn Newkirk and Carter that the duo's mission to dynamite a newly-established Nazi rocket fuel installation could blow up in their faces.
It appears Sergeant Schultz will be shipped off to the Russian front after he accidentally interrupts a black market meeting. If he goes, Colonel Hogan will lose his courier of secret messages between Stalag 13 and a female spy.