An arrogant Texas millionaire hires four adventurers to rescue his kidnapped wife from a notorious Mexican bandit.

Chicago hotel clerk Frank Harris dreams of life as a cowboy, and he gets his chance when, jilted by the father of the woman he loves, he joins Tom Reece and his cattle-driving outfit. Soon, though, the tenderfoot finds out life on the range is neither what he expected nor what he's been looking for...

A fiercely independent cowboy arranges to have himself locked up in jail in order to then escape with an old friend who has been sentenced to the penitentiary.

Jean Evans of an international wildlife foundation, who is known to Africa as 'the Panther Girl' because of her bravery in jungle living, stumbles on a plot by a mad scientist to frighten the natives out of a diamond-laden district by chemically growing crayfish to giant size, and enlists the aid of a game hunter friend to prevent a monster rampage and bring the culprits to justice.

Two former enemies find themselves together on a cattle drive and fighting marauding Apaches and Mexican bandits.

After a stagecoach holdup, Frank Slayton's notorious gang leave Ben Warren for dead and head off with his fiancée. Warren follows, and although none of the townspeople he comes across are prepared to help, he recruits two others who have sworn revenge on the ruthless Slayton.

Brady Sutton returns from three years in prison and tries to go straight. One a member of the Butch Cassidy gang, he is still suspected of being cahoots with them. When Cassidy and his men rob the bank, he is blamed. Escaping from the townspeople, he once again joins up with Cassidy to wait for a chance to help bring him in.

Three delinquents murder a prosperous farmer at an isolated farm house. One witness to the crime - the dead man's secretary - is then taken hostage. The other witness - her young son - is thrown into state of shock. Can he recover soon enough to help the police - and his father - rescue his mother before it's too late?

Maria San Carlos, the only daughter of a wealthy landowner, is betrothed to Escobar, a General in the Mexican Revolution, but she does not love him. Escobar sends a mixed gang of Americans and Mexicans to capture her and bring her to him. Complications ensue when an American cowboy, who had been hitching a ride with Maria's entourage and has his gold stolen by the gang, pursues them across the desert.

A Marshal must face unpleasant facts about his past when he attempts to run a criminal gang out of town.