Guns of the Pecos

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.

Peterson has a plan to obtain all the ranches in the valley. He gives Carson a phony Spanish land grant and has him pose as the Mexican owner. When Fred and Fuzzy have their cattle stolen by Peterson's men, they quickly become involved in the scheme.

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.

Gene is the foreman at the ranch owned by wealthy rodeo owner Maureen. She will lose her rodeo contract unless sales improve.

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.

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.

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.

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.

Gene Autry hunts bank robbers Al Bartlett and Trot Lucas with his old friend Mike. Bartlett, to throw off his pursuers, kills Trot and his own brother. When Kitty Bartlett comes to town claiming to be the slain Bartlett's widow, Gene has to save her from the irate townspeople who are not aware that her name isn't Bartlett but she really is the daughter of a law officer slain by Al Bartlett. Ben Luder, a local hood, tricks Bartlett back into town by saying he has to fixed to have Doc Larry Taylor do plastic surgery on him. En route they meet Doc and his assistant Helen Ellis and Ben's ruse is exposed. Bartlett kills Ben and forces Doc to drive him to the railroad. Gene, in a fight atop a runaway train, captures Bartlett.