My Wifes Relatives (1939)

It all begins when Joe Higgins business manager of a prosperous candymanufacturing firm is ordered by his pompous boss Ellis to break up the romance between Ellis son Bill and Joes daughter Jean Refusing Joe quits his job and sets up his own candy company Its a moneylosing enterprise until Joes wife Lil loses her diamond ring in a batch of candy and offers a 5000 reward to anyone who can retrieve the ring