A Secret Service agent goes undercover to unmask the leader of a gang of diamond thieves.

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.

On the way to pick up the bounty on a wanted murderer, a bounty hunter stops at a staging post where he is forced to continue his journey with two outlaws who want the murderer for their own reasons and a recently-widowed woman, with the murderer's brother and his men in hot pursuit.

In this radically reimagined American Western set towards the end of the Civil War, Southerner Augusta encounters two renegade, drunken soldiers who are on a mission of pillage and violence. After escaping an attempted assault, Augusta races back to the isolated farmhouse that she shares with her sister Louise and their female slave Mad. When the pair of soldiers track Augusta down intent on exacting revenge, the trio of women are forced to take up arms to fend off their assailants, finding ways to resourcefully defend their home––and themselves––as the escalating attacks become more unpredictable and relentless.

Flame of the West has always attracted more attention than most of Johnny Mack Brown's Monogram westerns, if for no other reason than the offbeat casting of Douglass Dumbrille. Usually seen in villainous roles, Dumbrille herein offers a sincere, effective performance as a scrupulously honest US marshal named Nightlander. When he takes on a gang of crooked gamblers, Nightlander is shot down in cold blood, compelling frontier doctor John Poole (Johnny Mack Brown) to put his Hippocratic oath on the back burner and strap on the shootin' irons.

U.S. Marshals "Nevada" Jack McKenzie and "Sandy" Hopkins go undercover to bust a gang of stagecoach robbers in this vintage Western serial. Nevada infiltrates the gang, while Sandy works as a cobbler in town, keeping an ear open for local gossip as they try to flush out the inside man tipping off the crooks.

A cowboy investigating his brother's murder finds himself going up against a banker who holds the deed to the cowboy's family ranch.

In this western, a cowpoke gets in an argument; a scuffle ensues leaving the cowboy to believe that he killed his opponent. He is so wracked with guilt that he travels to the ranch of the dead man's sister, gives himself a new name and begins helping her. Rustlers come; he stops them. Trouble ensues after she learns his true identity. A scuffle ensues. She wings him with a gun; he disarms her. Later she hears the real murderer bragging about his crime during a fight with the hero.

A melancholic gunfighter is drawn into a vengeful and tragic kidnapping plot by his widowed ex-lover.

Rangers Tex Haines and Dave Wyatt track a killer known as the Whispering Skull. In the wake of the Skull's slaughter, a band of thieves takes advantage of the fear he's brought to town.

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.

When an oil discovery is reported at Paxton, Oklahoma, Marshal Rex Allen immediately suspects that where there is oil, there is trouble. Rex arrives just as a band of desperadoes stage a bank hold-up and escape with $25,000 which ranchers have invested in prospective oil drillings.