Paris, France, 1482. Frollo, Chief Justice of benevolent King Louis XI, gets infatuated by the beauty of Esmeralda, a young Romani girl. The hunchback Quasimodo, Frollo's protege and bell-ringer of Notre Dame, lives in peace among the bells in the heights of the immense cathedral until he is involved by the twisted magistrate in his malicious plans to free himself from Esmeralda's alleged spell, which he believes to be the devil's work.

Kitty Carroll, an attractive store model, volunteers to become a test subject for a machine that will make her invisible so that she can use her invisibility to exact revenge on her ex-boss.

A wealthy man hires a poor girl to play his mistress in order to get more attention from his neglectful family.

Robert Castleback is in possession of secret papers which could bring a certain prince to power under conditions which would make Castleback a ruling force in Europe. Master crook Arsene Lupin becomes aware of Castleback's bid for power and, in the interests of France, begins a search for the plans.

A group of frontier businessmen set up a protective organization for the purpose of extorting money from the local ranchers.

Captain Bob Dayton and Lieutenant Ed Carey are partners in a company called "Sky Raiders" which seeks US government contracts for its inventions. Enemy spies attempt to steal, sabotage and discredit the inventions and founders of the company.

In despair after breaking up with his girlfriend, a man hires a thug he has never seen to kill him. However, he changes his mind when he falls in love with another woman--but he can't stop the man trying to kill him because he doesn't know who he is.

Newspaper reporter Tim Rourke keeps writing articles that attack the police department for its failure to solve a chain of murders, which nearly leads to the reporter's death. He calls in private detective Michael Shayne, who turns up a blonde and a blackmailer.

An all-girl band flees to Argentina to avoid their creditors. Comedy with songs.

J. D. Forbes, head of the almost-bankrupt Four Star Studios in Hollywood contacts band leader Kay Kyser, who puts on a radio and-live theatre program called "The Kollege of Musical Knowledge," to appear in films. When manager Chuck Deems gets the studio offer, he and band members Ginny Simms, Sully Mason, Ish Kabiddle, Harry Babbitt and the others are all fired up at the prospect of going to Hollywood and working in the movies, but band-leader Kay is all against it and says his old grandmother has told him to stay in his own back yard, but he relents. Once there, Stacey Delmore, a Four Star associate producer left in charge of the studio while Forbes is out of town, discovers that the screenplay writers have prepared a script that has Kay Kyser playing a glamorous lover in an exotic European setting.