A Royal Air Force pilot who was shot down during World War II returns home to his English village with his new bride. The trouble is that she is the German lady who helped him escape. Then her brother arrives.
Percy Boon lives with his mother in a shared rented house with an assortment of characters in central London. Although well intentioned, Percy becomes mixed up with gangsters and a murder. The story focuses on the effects this has on Percy and the other residents.