Johnny Brett and King Shaw are an unsuccessful dance team in New York. A producer discovers Brett as the new partner for Clare Bennett, but Brett, who thinks he is one of the people they lent money to, gives him the name of his partner.
Jeff Wilson, the owner of a small circus, owes his partner Carter $10,000. Before Jeff can pay, Carter's accomplices steal the money so he can take over the circus. Antonio Pirelli and Punchy, who work at the circus, together with lawyer Loophole try to find the thief and get the money back.
Mickey Moran, son of two vaudeville veterans, decides to put up his own vaudeville show with his girlfriend Patsy Barton. But child actress Rosalie wants to make a comeback and replace Patsy both professionally and as Mickey's girl.
A married singer, pianist/composer team are struggling to hit it big in New York. Finally, they audition before a Broadway producer, but the producer only wants the singer, leaving the husband without a job and feeling a failure.
Mary and Larry are are a modestly successful skating team. Shortly after their marriage, Mary gets a picture contract, while Larry is sitting at home, out of work.
An orphan is provisionally adopted by the manager of a hotel populated by show business people. The hotel's owner doesn't like the entertainers and wants the girl returned to the orphanage.
Stan and Ollie are mousetrap salesmen hoping for better business in Switzerland, with Stan's theory that because there is more cheese in Switzerland, there should be more mice.
Rebecca's Uncle Harry leaves her with Aunt Miranda who forbids her to associate with show people. But neighbor Anthony Kent is a talent scout who secretly set it up for her to broadcast.
After losing a coveted role in an upcoming film to another actress, screen queen Mona Marshall (Lola Lane) protests by refusing to appear at her current movie's premiere. Her agent discovers struggling actress Virginia Stanton (Rosemary Lane) -- an exact match for Mona -- and sends her to the premiere instead, with young musician Ronnie Bowers (Dick Powell). After various mishaps, including a case of mistaken identity, Ronnie and Virginia struggle to find success in Hollywood.
Lady Alyce Marshmorton must marry soon, and the staff of Tottney Castle have laid bets on who she'll choose, with young Albert wagering on 'Mr. X'. After Alyce goes to London to meet a beau she is restricted to the castle to curb her scandalous behavior. Albert then summons Jerry to Alyce's aid in order to 'protect his investment'.
Nina Maria Azara is the beautiful and alluring singing spy for Spain during the Napoleonic Wars. Her mission is to seduce French officers, in order for them to reveal Napoleon's intentions toward Spain. She is sent to Bayonne, France to gather military secrets. Prior to this, she meets Don Diego while performing at a club. Unknown to her, Don Diego is actually Captain Andre, who is sent to Spain to spy on her. While in France, Nina discovers Diego's true identity, only after she has fallen in love with him. Nina Maria outwits her potential captors, returns to Spain and goes into hiding. Napoleon's troops invade Spain, resulting in Nina's capture. In a strange twist of fate, Nina and Captain Andre are reunited, but the 2 nations are now at war...
Heidi is orphaned and her uncaring maternal Aunt Dete takes her to the mountains to live with her reclusive, grumpy paternal grandfather, Adolph Kramer. Heidi brings her grandfather back into mountain society through her sweet ways and sheer love. When Dete later returns and steals Heidi away to become the companion of a rich man's wheelchair-bound daughter, the grandfather is heartsick to discover his little girl missing and immediately sets out to get her back.
Steve Raleight wants to produce a show on Broadway. He finds a backer, Herman Whipple and a leading lady, Sally Lee. But Caroline Whipple forces Steve to use a known star, not a newcomer. Sally purchases a horse, she used to train when her parents had a farm before the depression and with to ex-vaudevillians, Sonny Ledford and Peter Trott she trains it to win a race, providing the money Steve needs for his show.