A boy's tall tale about a gun puts his parents and school principal in jail.

Monty Brewster is a pennyless, former U.S. Army soldier back from World War II Europe who learns that he has inherited $8 million from a distant relative. But there's a catch: he must spend $1 million of that money in less than two months before his 30th birthday in order to inherit the rest.

Lucky Jordan is a gangster living in New York City and when he's drafted into the army, he tries to escape duty by using an old con woman named Annie to convince the draft board he's needed at home. When that fails, Jordan is sent to boot camp, but he doesn't stay there long. He takes a beautiful USO worker hostage and flees back to New York. There, he learns that a rival gangster is plotting against America.

Pete Marshall is sent as a replacement to the mountain district town of Plainville when a public opinion surveyor who went there goes missing. Visiting the hillbilly family of Mamie Fleagle, Pete begins to suspect that she and her two sons have murdered the surveyor. Pete also believes that Mamie is slowly poisoning wealthy Grandma Fleagle, who has put a vital clue to her fortune in a nonsensical embroidered sampler.

After surviving a murder attempt, an auto magnate goes into hiding so his wife can pay for the crime.