Snobbish attorney Charles 'Beauty' Steele loses his wife due to his drinking and his airs at the same time that his brother-in-law absconds with funds belonging to one of Steele's clients. In search of the thief, Steele is attacked and left for dead. He is rescued by a kindly couple, but suffers from amnesia. He starts life afresh and is happy, until the return of his memory sends him back to resolve his old involvements.

Construction worker Buzz Blackwell becomes the guardian of 12-year-old Pat Johnson after one of his buddies, her father, is killed. Buzz and Pat, along with their chum Axel Swensen, head to New York to look for the girl's uncle. The trio soon unexpectedly become owners of a tired restaurant.

Wealthy Mr. Kennedy shoots his secretary, Channing, during a parlor game, but it turns out the gun was loaded with real bullets. Luckily, criminologist Phillip Montrose is on hand to help the police. When Kennedy quickly ends up dead as well, the police think it's a tidy murder-suicide, but the family lawyer knows of a letter that voiced Kennedy's suspicions about someone who was out to get him. Soon, the cops are on the trail of a ruthless and clever killer who is one step ahead of even Montrose.

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.

Frankenstein's unscrupulous colleague, Dr. Bohmer, plans to transplant Ygor's brain so he can rule the world using the monster's body, but the plan goes sour when he turns malevolent and goes on a rampage.

Gwynplaine, son of Lord Clancharlie, has a permanent smile carved on his face by the King, in revenge for Gwynplaine's father's treachery. Gwynplaine is adopted by a travelling showman and becomes a popular idol. He falls in love with the blind Dea. The king dies, and his evil jester tries to destroy or corrupt Gwynplaine.