A young woman, who wants to be in the Follies, is making ends meet by working at a department store's sheet music department, where she sings the latest hits. She is accompanied on piano by her childhood boyfriend, who is in love with her, despite her single-minded interest in her career. When a vaudeville performer asks her to join him as his new partner, she sees it as an opportunity to make her dream come true. Upon arriving in New York City, our heroine finds out that her new partner is only interested in sleeping with her and makes this a condition of making her a star. Soon, however, she is discovered by a representative of Ziegfeld.

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.

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.