Englishman Jerry Young (Fredric March) is an expert World War I fighter pilot. Lately, Jerry has been under serious mental stress; he cannot seem to forget the deaths of his fellow soldiers, enemies and compatriots alike. Jerry is given time off to recuperate in London. He has a brief romance that offers him respite; however, he soon must return to duty. After learning that two friends (Cary Grant, Jack Oakie) have been in a devastating plane wreck, Jerry is pushed over the edge of sanity.