In this western, a ranch foreman and the bosses son go to a saloon to slake their thirst and find themselves in the midst of a battle started by the feisty saloon owner's wicked ex-husband who loots the safe in the ensuing scuffle.
Nineteen year old pioneer woman Marty has recently married. She goes west with her husband Clem, hoping to start a new life. But Clem unexpectedly dies, and Marty finds herself alone, two months pregnant. Widower Clark offers her a marriage of convenience: she needs food and money, and he needs someone to take care of his daughter Missie. She accepts his proposal as a temporary solution.
The Johnny Mack Brown West of Wyoming concerns the efforts by cattle baron Simon (Stanley Andrews) to prevent the opening up of the rang to homesteaders. Government agent Brown comes calling when Simon begins resorting to cold-blooded murder. The leading lady is Gail Davis, a few years shy of her Annie Oakley TV stardom. Surprisingly, West of Wyoming contains none of the comedy relief that had characterized earlier Johnny Mack Brown oaters.
In 1846, a reporter for the New York Herald joins a wagon train bound for the Oregon Territory. He hopes to confirm a rumor that President Polk is sending in soldiers disguised as settlers in order to strengthen American claims to the Territory.
A wagon train heads for Denver with a cargo of whisky for the miners. Chaos ensues as the Temperance League, the US cavalry, the miners and the local Indians all try to take control of the valuable cargo.
A western settlement of pioneer descendants is threatened with the loss of its water supply through the encroachments of nearby townspeople.
Four unwitting heroes cross paths on their journey to the sleepy town of Silverado. Little do they know the town where their family and friends reside has been taken over by a corrupt sheriff and a murderous posse. It's up to the sharp-shooting foursome to save the day, but first they have to break each other out of jail, and learn who their real friends are.
Rancher Rex Allen receives a summons from his uncle. an old time frontiersman, that he is in trouble. The uncle has been hired to lead a modern-day band of adventurers on a wagon train retracing the route taken by their ancestors 100 years ago. Before Rex can talk to his uncle, the uncle is murdered, and Rex sets out to find the killer and the motive by taking his uncle's place as the leader of the wagon train.
Sent by the Army, Andy Thomas poses as a renegade to find out who has been harassing the wagon trains.
When three Texas Rangers try to investigate kidnapped Mexicans being used as forced labor in the mines of Silver Bullet, they are framed for murder by the town's corrupt sheriff.
When he runs for sheriff, Hoppy is beaten by Jerry Doyle, the gutless wonder voted for by every crook in town. When Hoppy moves to have the new sheriff impeached, outlaw leader Tad Hammond hires forty gunslingers to stop him. Stop Hoppy? Hah!
Hoppy and Lucky have been called in to investigate a series of stage holdups. The robbers are taking gold from Colby's mine and Hoppy suspects it may be ex-outlaw Colby himself. When Speedy strikes gold, Hoppy borrows it and announces a gold shipment hoping to catch the gang and their leader.
Hoppy, Lucky and California search for a mine owned by Trudy Pendleton after it was taken from her by thw swindling gambler Ace Gibson. They find the mine and Hoppy fights Gibson over it.
Finishing a trail drive, Hoppy and the boys head to town and immediately get caught up in the conflict between school teacher Miss Abott and next door saloon owner Mawson. When Miss Abott disappears, Hoppy gets a clue to her location and rescues her from Mawson's cabin. It looks like Mawson is the man he wants, but Hoppy finds an item that indicates otherwise.
Sue Morgan gets Hoppy and his friends to join their expedition looking for Indian artifacts. Expedition leader Atwood makes a deal with nearby cattle rustler Morgan to loot the Indian treasures instead and sell them. Hoppy is on to their plan and pretending to leave follows them. Not only is he outnumbered by Morgan's men, but California has himself about to be sacrificed in an Indian ritual.
Before he was killed by Mark Foster's men, Bud Lawton willed part ownership in his ranch to Hoppy and his two pals. When the three arrive they find a fake posing as Lawton. When they expose the imposter, Foster gets the Sheriff to jail them for Lawton's murder.
Joe Weller has instigated a conflict over water rights between two ranchers. The idea is to have the ranchers do each other in then move in and take over. Hoppy and the good guys won't let this happen.
As rustled cattle have mysteriously disappeared, Johnny sends for his friend Hoppy, Hoppy arrives and immediately suspects Dan Slack. Realizing his telegram about Slack was intercepted, he locks up the operator Lafe knowing he can escape. Tailing Lafe he finds a secret entrance to a mine and inside finds the missing cattle. But Slack's men also find him just as the cattle are stampeded through the mine shaft.
Hoppy is busy chasing stagecoach bandits who sing as they rob.
Lee Garvin has eloped with the daughter of a railroad man who didn't approve of the marriage. Hoppy steps in when the young man is framed for murder.