The Rangers' Round-Up

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.

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.

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.

Eddie Dean (Eddie Dean) and his partner Soapy Jones (Roscoe Ates), under government orders, proceed to the ranch of J.C. Morgan (Shirley Patterson to buy cavalry remounts for the Army. At the ranch, they find out that J.C. is a girl. The nearby town of Dow City is under the control of a lawless trio headed by Trigger (Lee Roberts, Clem Kensington (Foxy Callahan) and Joe Morino (Dennis Moore). A member of the gang is Tucson Brown (Lee Bennett), one of J.C.'s trusted hands. When Eddie decides to buy the horses, Tucson steals the herd to prevent the sale. Soldiers, sent to investigate, are brutally murdered. The aroused townspeople elect Tennessee (William Fawcett, J.C.'s foreman, as sheriff. When the outlaws murder Tennessee, Eddie and Soapy, along with the reformed Tucson, swing into action.

As war looms in the Pacific, even cowboys are called on to fight the enemy. Horses are desperately needed by U.S forces stationed in the Philippines, and the Range Busters - Crash Corrigan, Alibi Terhune, and their newest partner, Davy Sharpe - are hired to accompany a herd to the islands. But first they must battle Axis spies right in Texas, as they foil a plot to steal the very horses destined for shipment.

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.

Ranger Eddie Dean is looking for the outlaw the Tioga Kid, a man he closely resembles. He runs into Joe Morino and his gang of rustlers at the same time Tioga arrives to cut himself into Morino's game. But Morino doesn't give in and in the showdown, Eddie and the Kid find themselves on the same side.

The Sheriff and his deputies are after Scar Adams. Scar is the brother of Alice Denton, the girl Deputy Tom plans to marry, and when the Sheriff is wounded she makes Tom refuse the job of Sheriff. But when Scar kills his father, Tom puts on the badge and takes out after him.

Duke Dillon has his gang robbing stagecoaches carrying gold which is then melted down by his father. But Eddie and his sidekick Soapy are on the job and they are aided by undercover man Nevada.

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.