Sandy Doyle, gambler and political chief of a small border town, seeks to gain control of the Bar-X Ranch, owned by Rufe Rickson, to further some undercover activities of his own. He counts on Rickson's inability to stay away from gambling as the means to his ultimate success. Government investigator Oliver Shea and his assistant, Dan Haggerty, start a fight in Doyle's place when they see Rickson being cheated and are invited to the Bar-X where Oliver and Helen Rickson, Rufe's daughter, discover interest in each other and Dan finds himself pursued by Bell, the ranch cook. Sheriff Larson brings the prize money for the $5,000 race of the Rodeo Association, and that night it is stolen.

Daffy Fernald loses her brother's toy rocket when it flies into a storm drain. She knows Alvin will be upset if he finds out, so she climbs into the dark tunnel to search for it. She spots a stranger, Ernie Nelson, and sees that he's carying a gun. She races home and tells Alvin, but the would-be inventor refuses to believe her.

Joe wins a contest and is promptly fleeced out of his winnings by some con men. When the stooges go to recover his money, the bad guys convince them that they can get rich by posing as children and becoming the wards of a millionaire. The boys go along with the plan, not realizing that the "millionaire" and his pretty niece are in on the scam and are planning to knock them off. The stooges foil the plan and recover Joe's money.

Lester is a clumsy and awkward TV repair man who is nevertheless gifted technically. In helping out a friend, he is drawn into a mystery involving a missing heir in a rich family. He begins to notice little things, like how much those family portraits look like him. Surely..no..he can't be...can he ?

The weirdest alien of the galaxy pays a visit to Earth... Jerry Lewis is Kreton, a childish alien who, against his teacher's will leaves his planet to visit the Earth, and lands in the backyard of a famous television journalist who doesn't believe in UFOs and aliens. Wanting to study humans but not able to fully understand them, Kreton makes a mess out of it, generating a lot of comic situations.

Rich momma's boy Wade Kingsley Jr. an Eastern dude, tries to follow in his murdered father's footsteps by returning to the West to partner up with Slim Moseley Jr.,the son of his father's former partner. Wade overcomes Slim's initial reluctance to accept him by using his fortune to buy a prize cow and new car to help Slim in his job as foreman on the Kingsley family ranch, currently under siege by a gang of outlaws called "masked raiders." Wade generously tries to pay off the ranch's mortgage with $15,000 of his own money, but unfortunately neither "pardner" realizes that respected banker Dan Hollis, the son of their fathers' murderer, is the leader of the gang.

Norman Phiffer, a proud man in a humble life, doesn't know that his girlfriend, Barbara, is heir to the Tuttle Department Store dynasty. Mrs. Tuttle, Barbara's mother, is determined to split the two lovers, and hires Norman in an attempt to humiliate him enough that Barbara leaves him. Will she ruin their love, or will he ruin her store?

A mad doctor named Zanoff uses a drug to bring himself back from the dead after his execution in prison. Dick Tracy sets out to capture Zanoff before he can put his criminal gang back together again.