Kay Arnold is a gold digger who wanders from party to party with the intention of catching a rich suitor. Jerry Strong is a young man from a wealthy family who strives to succeed as an artist. What begins as a relationship of mutual convenience soon turns into something else.
Old sailor Chris Christofferson eagerly awaits the arrival of his grown daughter Anna, whom he sent at five years old to live with relatives in Minnesota. He has not seen her since, but believes her to be a decent and respectably employed young woman. When Anna arrives, however, it is clear that she has lived a hard life in the dregs of society, and that much of spirit has been extinguished. She falls in love with a young sailor rescued at sea by her father, but dreads to reveal to him the truth of her past. Both father and young man are deluded about her background, yet Anna cannot quite bring herself to allow them to remain deluded.
A grandmother's will leaves her fortune to a few, mostly to her great-niece Ann. Ann will only receive her inheritance once she marries, with the approval of three of her stuffed-shirt relatives, and without scandal. Otherwise, the estate goes to the cat and dog hospital. Ann, not needing the money, rebels by seeking scandal with a gigolo.
Molly and Bee, sweet young 'working girls,' live in a cheap room over a New York grocery store. Molly's idol, wealthy Jack Cromwell, lives in a Long Island mansion but is markedly less happy, since his fiancée Jane won't discourage her other admirers. Fleeing in his car, Jack ends up in an urban block party where he meets you-know-who.
A trapeze artist causes the death of another over their mutual love of a girl. When a new artist joins the troupe and falls in love with her, she must protect him from her ex-lover's jealous rage.
After a vaudeville performer is murdered backstage, framed-up evidence lead the police to arrest a troupe member. At his trial, Hermann, a Scandinavian clown known as Beppo, is the lone juror holding out against conviction and pleading for his innocence and acquittal.
Mayme and sister Janie are salesgirls in Ginsberg's Department Store. Mayme is in love with store clerk Bill, but Janie tries to steal him from her. Hazel, another salesgirl, is Jean Harlow's first credited role.
A scientist discovers that there's gold on the moon. He builds a rocket to fly there, but there's too much rivalry among the crew to have a successful expedition.
A young couple marries in secret. Judy's afraid her parents won't approve of Dick and she'll lose her generous allowance. Her parents bring her home from the city where she's been studying art and encourage the attentions of Tom, a persistent suitor. Judy and her jealous husband have an argument that leads her back to the city, a drunken, amorous Tom and a tragedy.
Stephen Ghent, a mineowner, falls in love with Ruth Jordan, an arrogant girl from the East, unaware that she is the daughter of his dead partner. Ruth is vacationing in Arizona and Mexico with a fast set of friends, including her fiancé, Edgar. Manuella, a Spanish halfbreed hopelessly in love with Ghent, causes Ruth to return to her fiancé when she insinuates that Ghent belongs to her. Ghent follows Ruth, kidnaps her, and takes her into the wilderness to endure hardship. There she discovers that she loves Ghent, and she discards Edgar in favor of him.
Mary, a poor farm girl, meets Tim just as word comes that war has been declared. Tim enlists in the army and goes to the battlefields of Europe, where he is wounded and loses the use of his legs. Home again, Tim is visited by Mary, and they are powerfully attracted to each other; but his physical handicap prevents him from declaring his love for her. Deeper complications set in when Martin, Tim's former sergeant and a bully, takes a shine to Mary.
A vaudeville comic and a pretty young dancer aren't having much luck in their separate careers, so they decide to combine their acts. In order to save money on the road, they get married. Soon their act begins to catch on, and they find themselves booked onto Broadway. They also realize that they actually are in love with each other, but just when things are starting to look up, the comic starts to let success go to his head.