His search for the Hammelburg sabotage leader leads Gestapo major Pruhst to Stalag 13 and Col. Hogan is in the cross hairs unless he can find a plausible alternative suspect.

Three mobile rocket launchers are aimed at London and awaiting detonation, or destruction. With radio detection trucks patrolling the area and one rocket sitting inside Stalag 13, directing the Allied bombers could turn into a suicide mission.