The RAF Bomber Command men are much less than impressed to discover that they are flying with a bible-hugging 'Jonah' joining their crew...despised as very bad luck.
Flight Officer Stanton, a tough and demanding ace, is stretched to his limits as he has to fly his Lancaster back home from a mission without any crew.
The survivors of a bomber shot down over Germany realize that the secret of their navigational aid is compromised. Somehow they have to get a warning back to Britain.
A pilot for the Pathfinders decides he doesn't want to fly again in combat again. This creates issues because his father is a decorated hero and MP and a court martial would look bad for all.