Demobbed from the army Nat, Norman and Dan get new jobs, solve a crime and stage a concert party.
Jonathan Dakers' early ambition was to become a great surgeon and to marry Edie Martyn. But, on the death of his father, he is obliged to start work as a partner in a poor general practice in the Black Country. Edie falls in love with Jonathan's brother, Harold, who is killed in the Great War, and Jonathan marries her as planned. It is only afterwards that he realises he now loves another.
This film is a caper story of greyhound racing and the efforts of a crooked dog owner to stop a rival's dog, Wild Boy, from running in the Greyhound Derby.
