An honest guy gets trapped into the world of horse racing and his once prosperous life becomes a downward spiral into the underworld.

When the bride's mother is supposedly swindled out of her money by a spurned suitor, the groom's father orchestrates a scheme of his own to set things right. He is aided by a cabaret singer, while placating a jealous wife.

Kildare tries brain surgery, advised by Dr. Gillespie, and faces a rival for nurse Lamont.

Intern Kildare heals a millionaire's daughter and tricks Dr. Gillespie into taking a vacation.

Larry Haines, a mediocre vaudeville entertainer, boards a train for Los Angeles. Aboard, he meets an attractive, blonde British agent carrying a coded message hidden in a brooch—and is being pursued by Nazi agents.

Cary Grant plays gambler, Joe Adams, who takes on the identity of a dead gangster in order to avoid the draft. Adams plans to use a war relief charity to get his gambling operation up and running, until he falls in love with Lorraine Day and has a change of heart.

King Louis XI masquerades as a commoner in Paris, seeking out the treachery he is sure lurks in his kingdom. At a local tavern, he overhears the brash poet François Villon extolling why he would be a better king. Annoyed yet intrigued, the King bestows on Villon the title of Grand Constable. Soon Villon begins work and falls for a lovely lady-in-waiting, but then must flee execution when the King turns on him.