In their farm house in a New York village, Ma Shelby prepares breakfast for her four children, Isaac, Tommy, Johnny and Susan, and then awakens them. The racket the boys make as they play and fight awakens their father, who spanks the eldest, Isaac. When a visitor chides Pa for not working, Ma sticks up for her husband, saying that he has a weak back and that he is waiting for a promised government job.

Marilyn Parker decides not to accompany her husband Rex on his business trip to Europe when she receives a surprise visit from her mother.

To save his daughter Manon from falling into the hands of a vicious gang of pimps, convict Jacques Costard escapes from jail. Jacques' problems are twofold: he must keep Manon from being abducted into a life of prostitution, and he must also hide his true identity from the girl, who has been raised to believe that Jacques died a hero in WWI.

Jimmy Mulligan and Poppy Kirk, both out of work, strike up a conversation outside a radio shop and discover a shared dream of hitting it big dancing and decide to team up. As “Mulligan & Kirk” they have their highs and lows while falling in love but eventually find enormous success. Their personal relationship, however, hits a few snags on the way to a happy ending.