Eduardo Belmonte overhears his new step-mother, Maria, and her lover, Don Ricardo Gonzales plotting to take over the Belmonte rancho on the night of the fiesta given by her husband, Don Carlos Belmonte. Eduardo offers Maria money if she will depart the hacienda premises, but she refuses and then accuses Eduardo of making love to her. The old Don doesn't take kindly to his son hitting on his step-mother and attacks him in a rage. The lights go out, the father is killed and Maria blames Eduardo, who escapes from the house, chased by Ricardo's men. The Cisco Kid and Pancho rescue Eduardo, who has been shot, and hide him while they investigate. Cisco discovers that bullets from Maria's gun, a handy little derringer, are the same type that killed Don Carlos. But the Alcalde arrests Cisco and Pancho, and Cisco is "supposedly" executed by a firing squad, but IS NOT shot and escapes by a trick. And now Maria and Ricardo are in real trouble with Cisco on the loose.
Monogram's Bringing Up Father series, based on the popular comic strip by George McManus, hit a high point of sorts with 1950's Jiggs and Maggie Out West. Joe Yule Sr. (Mickey Rooney's father) and Rene Riano are perfectly cast as nouveau riche Jiggs and Maggie, who head thataway when Maggie inherits a goldmine. As usual, Maggie spends her time trying to climb the frontier social ladder, while down-to-earth Jiggs is more interested in finding a plate of corned beef and cabbage.
When his brother Dave is put in jail, Bill Hickok returns to help him. Dave has been charged with attempted murder when the other man drew first. Judge Barlow put him there and Bill gets the Judge to confess. Bill learns that Rance McKee is behind all the trouble and he forces the Judge into the decisions he wants. So Bill heads out by himself to face McKee in the showdown.
Prison escapee Utah Evans kills Sheriff McClay. Joe Norton was McClay's predecessor and sent Utah to prison. Ma McClay having taken over as Sheriff for her husband, now gets Joe to return. Joe sets out to get Utah and Utah, learning Joe is after him, hopes to get revenge for being sent to prison.
Pat Scotty is hired to eliminate a gang of Mexican bandits led by El Condor. Scotty craftily earns the trust of the bandits, enabling him to trap them all, but in the meantime, genuine friendship and respect have developed between him and El Condor.
Sophie writes a note to her aunt telling her that she is undecided whether she will marry Slippery Slim or Mustang Pete, but says she will accept the one who buys the best-looking horse.
A horse called Brilliant is the only one who knows the location of a gold mine. When Brilliant's owner is killed, the trio known as the Three Mesquiteers (Bob Steele, Tom Tyler and Jimmie Dodd) are mistakenly arrested for the murder.
A pair of precious loafers in a mining town learn from one of their "kidney" that Dick Mackey's partner, Bill Bryson, has died and that his gold dust is cached in Dick's cabin. They get sober and conclude to rob Mackey, but find that he is too quick on "the draw," and give it up.
Dorothy McGuire, owner of the Bar V Ranch, is rescued from a fall before a runaway by Angus Dickinson, a bronco buster whom she engages to tame an outlaw horse on her ranch. The next day Simeon Jones, who holds notes against her property, threatens her with eviction if she persists in repulsing his intimacy.
In the city of Aguaprieta, two horses are part of the largest event in the region. The unbeatable horse Moro from the city of Cumpas faces the imposing Zaino de Aguaprieta. Two in a decided race in just 450 rods.
Denny O'Hara marries Eileen O'Connor. He learns his elderly mother has been evicted. He finds her dead and sets out to kill the landlord and finds him already dead. A local priest urges him to flee to America fearing he will be accused of landlord's death.
An elderly man leaves Wyoming to visit his daughter in a small Massachusetts town because, even though she didn't say so, he believes she needs his help. When he gets there he discovers that his daughter, a lawyer, is under great stress because of her biggest client, an old geezer who is the wealthiest and most powerful man in town. The girl's father decides to make the old man "disappear" by performing a rain dance he learned from an Indian chief back in Wyoming--and lo and behold it starts to rain and the old man does indeed disappear. The local sheriff, however, suspects foul play and arrests the girl's father.
While trailing Forest Ranger Charles Carter, who is suspected of permitting lumber man Henry Mitchell to cut restricted timber, Gene fires at a dangerous mountain lion and apparently kills Carter. Actually, Bill Wright, Mitchell's associate, killed Carter because the ranger had discovered tussock moth infestation in the forest, and if the infestation was not reported, the trees would die and have to be cut, thereby profiting Mitchell and Wright. In order to compensate the best he can, Gene sells his sportsman's camp and gives the money to Carter's daughter Helen . En route to Texas, Gene discovers the infestation and is assigned by the Forest Department to supervise the program of spraying the area with DDT from the air. After the first day of spraying, the DDT is blamed by furious stock men for the many animals found dead of poisoning.
It seems that an evil saloon owner not only wants this valuable steed for himself, but also its owner, the beautiful Mary Ellis. Enter honest gambler Jack Crosby, who wants to settle the score.
Honest John is pulling off a swindle by buying cattle in Texas with worthless scrip and selling them in New Mexico for cash. Ken is leading the cattle drive not knowing that when they cross the state line Honest John's plan will have succeeded.
A Western set in the US around the turn of the century. Atkins leaves the city to return to the valley where he formerly lived. There he meets Native Americans who learn to trust him. They ask Atkins to buy weapons for them. On his journey Atkins meets Morris, whose interest in mineral resources puts Atkins loyalty to the Native Americans to the test.