Finding Indians stealing from his ranch, Gene learns they are suffering from malnutrition. Store owner Martin is cheating them and now he is after the Chief's valuable necklace. When the dying chief is found, having been attacked and robbed, Martin blames Lakhona who would become the new chief. When Gene helps Lakhona they soon find themselves fleeing from the law.
A renowned former army scout is hired by ranchers to hunt down rustlers but finds himself on trial for the murder of a boy when he carries out his job too well. Tom Horn finds that the simple skills he knows are of no help in dealing with the ambitions of ranchers and corrupt officials as progress marches over him and the old west.
When Tasker kills Roy Rogers he takes one of his young sons. Fifteen years later the other son Roy arrives buying a ranch in the valley where Tasker now controls the water supply. Roy organizes the ranchers for a showdown with Tasker not knowing that his brother is Tasker's chief henchman.
With the Government Remount Service unable to meet it's quota of horses, Marshal Fred Martin arrives to try and find the rustlers. Apparently just a singing cowhand dressed in white, he becomes the masked Two Gun Troubador dressed in black when he goes after the outlaws. He quickly learns Tex Walters is the leader of the gang but he must find out who is the big boss that gives Walters his orders.
The fourth of 12 singing Westerns starring the "Silvery-Voiced Baritone," Fred Scott, Melody of the Plains begins peacefully enough with Scott, as cowboy Steve Condon, warbling Don Swander and June Hershey's "Albuquerque." The story quickly takes a rather grim turn when one of Steve's colleagues is shot and killed after selling out to a gang of rustlers. Mistakenly believing he fired the deadly shot, a dejected Steve, along with sidekick Fuzzy, goes to work for Bud's father, a rancher nearly forced into bankruptcy by a crooked land developer.
Rancher Clay Hardin arrives in San Antonio to search for and capture Roy Stuart, notorious leader of a gang of cattle rustlers. The vicious outlaw is indeed in the Texan town, intent on winning the affections of a beautiful chanteuse named Jeanne Starr. When the lovely lady meets and falls in love with the charismatic Hardin, the stakes for both men become higher.
A singing cowboy roams the Wild West with his sidekick, dancing horse and fancy wardrobe.
On vacation at his ranch, western actor Roy quickly finds himself involved with a horse rustling operation and a boy ward of one of the rustlers, leading to the kidnapping of Roy's trick horse Trigger by the gang with a demand for ransom.
It's Wild Bill Elliot as Wild Bill Hickok in the Columbia B-western Lone Star Vigilantes. Returning from Civil War duty, Hickok, Tex Martin and Cannonball find that their Texas home town is under the rule of Colonel Monroe, a bush-league dictator with his own police force. In true Hitlerian fashion, Monroe extorts huge sums of money from the populace, terrorizing them into silence. Our three heroes set about to put an end to Monroe's regime, with time out for Tex Ritter's musical interludes.
Clay Morgan kills Joel Potter and Marshal Manning has to arrest the brother of the girl he plans to marry.
Two peanut vendors at a rodeo show get in trouble with their boss and hide out on a railroad train heading west. They get jobs as cowboys on a dude ranch, despite the fact that neither of them knows anything about cowboys, horses, or anything else.
Sandy Doyle, gambler and political chief of a small border town, seeks to gain control of the Bar-X Ranch, owned by Rufe Rickson, to further some undercover activities of his own. He counts on Rickson's inability to stay away from gambling as the means to his ultimate success. Government investigator Oliver Shea and his assistant, Dan Haggerty, start a fight in Doyle's place when they see Rickson being cheated and are invited to the Bar-X where Oliver and Helen Rickson, Rufe's daughter, discover interest in each other and Dan finds himself pursued by Bell, the ranch cook. Sheriff Larson brings the prize money for the $5,000 race of the Rodeo Association, and that night it is stolen.
Gabino's son tries to find out why his father was murdered.
Gene is the foreman at the ranch owned by wealthy rodeo owner Maureen. She will lose her rodeo contract unless sales improve.
In the midst of the Civil War, Lassiter has a plan to get control of California. Working out of St. Joseph, he plans to send forged messages to the troops on the west coast via Pony Express. First he attempts to bribe Pony Express ride Roy Rogers. When Roy refuses he turns to the outlaw Johnson and his gang and this leads to trouble.
Tex and his sidekicks arrive to help out his friend Jeffers, a railroad owner, only to find that he has been killed. They quickly run into trouble with an outlaw gang in their attempt to find the mysterious ghost train that supposedly runs on Jeffer's line.
President Lincoln personally sends Bill Gibson west to see if he can stop the holdups of the needed shipments of gold. There he meets his boyhood friend Foster. When all others refuse to take out the next gold shipment due to the killings, Bill volunteers. Jeannie, afraid for his safety, tells Foster of Bill's secret route not knowing Foster is the leader of the outlaw gang.
A greedy rancher is charging excessive prices for access to the area's only water supply, extorting the smaller ranchers in the area. A water diviner teams up with a cattle buyer to force the villain to share the water with his neighbors.
Billy the Kid and Fuzzy Jones are on their way out of Arizona being chased by some riders who hope to cash in on the reward money for their capture. They are warned in time by Ed Dawson, but Ed is wounded in the getaway. They get a doctor to attend to Ed. The latter tells them there is a range war in progress across the border and that he is looking for men to help make a cattle drive to the rail junction.
Roy returns home to fine a range feud between the cattlemen and the sheepmen. When his friend is killed he finds the rifle had a defective pin. He learns the rifle belongs to a ranch hand named Barker and that a third party has caused the feud. When he captures outlaws trying to blow up a dam, he claims Barker was the killer. But Barker has switched rifles and the outlaws now accuse Roy and Roy finds himself in trouble.