After encountering a group of bandits with plans to rape and steal from her, a young widow ventures into the wilderness in search of justice.
U.S. Deputy Marshal Roy investigates the disappearance of a government agent who has come to Dale's father's Ladder A Ranch. The bad guys want the land the ranch sits on because they know an oil pipeline is planned through this location.
Curt Mason saves Doc Henderson's Medicine Show from being robbed by the Morrell gang but later earns the enmity of Carolyn when he blames the troupe for polluting a local watering hole. Arriving in town, the medicine show, which consists of Doc Henderson, Taffy, the singing group the Hoosier Hot Shots and Carolyn, begin their performance while Curt is unsuccessfully attempting to stop the Morrell gang from robbing the bank. The sheriff mistakes Curt for one of the gang, and to save their friend, Curt's buddies Biscuit and Big Boy stampede their cattle through town. In order to clear his good name, Curt and his friends go in search of the real bank robbers, who as it turns out are working under orders from Doc Henderson.
Dan Ballard, a respected citizen in the western town of Silver Lode, has his wedding interrupted by four men led by Ned McCarty, an old acquaintance who, as a US Marshal, arrests Ballard for the murder of his brother and the theft of $20,000. Ballard seeks to stall McCarty while tracking down evidence that will prove his innocence.
An ex-con seeks revenge on the man who put him in prison by planning a robbery of the latter's stagecoach, which is transporting gold. He enlists the help of a partner, who could be working for his nemesis.
Gare uses the knowledge that his wife Amelia was imprisoned and had an illegitimate son to make her his subject. When her son Marc Jordan appears and falls in love with her daughter Judith, Amelia is forced to tell the truth. Gare then tyrannizes Judith. She tries to escape, but a fatal accident occurs first.
After escaping from jail, outlaw Wes McQueen is convinced by his old partner in crime to do one last heist.
Just as Nevada wins $7000 in yellowback bills, Ben Ide takes his $7000 and heads out to buy mining equipment. Burridge has his man Powell kill Ide and retrieve the money and Nevada finds Ide just as the posse arrives. Found with the money Nevada is arrested and Burridge now gets Powell to incite the local citizens to lynch Nevada.
Gold miner Edd Denmeade loves Lucy Watson, the sister of the official mining claim recorder. Denmeade suspects Watson of killing his father, who after a poker game was shot by a gambler "who shuffles with one hand." The real murderer, Sam Spralls, has convinced Watson that he killed Denmeade and threatens to expose him unless Watson assigns him all the gold claims. Spralls assembles a band of killers to jump the claims when Watson complies. Eventually, Denmeade learns the identity of the killer when he sees Spralls shuffle a deck of cards. He forms a vigilante party and rids the community of Spralls and his gang.
In the 1820s, a frontiersman, Hugh Glass, sets out on a path of vengeance against those who left him for dead after a bear mauling.
Six wanted outlaws are rounded up and captured by the Cheyenne Kid. Collecting the reward money, Cheyenne instructs his sidekick Fuzzy Q. Jones to give the money to a group of financially strapped ranchers. Alas, Fuzzy falls off his horse, loses his memory, and forgets what became of the money.
Convicted killer Jim Holden is rescued from the sheriff by his gang, led by Mason and Riley. He is out to get the Hathaway Stage superintendent George Bannister, who was responsible for his conviction and learns the Bannister, his niece (Kay) and Hal Hathaway, son of the stage line owner, are on a cross-country stage. Johnny, a rancher, and Waco, local stage representative head for the stage to warn the passengers, including entertainer Paradise Flo and coffin salesman Pennypacker. Hal takes the stage into Holdin. Johnny and Waco rescue Hal and Bannister before the gang succeeds in hanging the pair.
After the Civil War, a former Union colonel searches for the two traitors whose perfidy led to the loss of a close friend.
Singing cowboy Monte Hale plays "himself" in the Republic western Last Frontier Uprising. Actually, he's not really himself, but a federal agent, dispatched to Texas to buy horses on behalf of the government. Hale runs up against a vicious gang of horse thieves, including such veteran western hard cases as Roy Barcroft and Philip van Zandt. The romantic interest is in the dainty hands of Adrian Booth, who used to go by the name of Lorna Gray. Put together with the standard Republic efficiency, The Last Frontier Uprising benefits from the breathless direction of Lesley Selander.
A former sheriff relentlessly pursuing the 7 men who murdered his wife in Arizona crosses paths with a couple heading to California.
When US Marshal Moses White is called to the Wyoming Territory town of Dogwood Pass he never realized the corruption and deceit that awaited his arrival. Sometimes one small seed of seduction and greed planted in the right situation can cause a whole town to go bad. One bad character leads to another and it all starts with a dead husband in a western town.
An easy-going cowboy is forced to work on the ranch of a bossy 'able-minded' three-time widow who has designs on him.
A jobless cowpuncher rides into Cottonwood, Arizona in search of the man who swindled his father.
An authoritarian rancher rules an Arizona county with her private posse of hired guns. When a new Marshall arrives to set things straight, the cattle queen finds herself falling for the avowedly non-violent lawman. Both have itchy-fingered brothers, a female gunman enters the picture, and things go desperately wrong.
When Rocklin arrives in a western town he finds that the rancher who hired him as a foreman has been murdered. He is out to solve the murder and thwart the scheming to take the ranch from its rightful owner.