Byron Turner, a 15-year-old runaway from the Eatondale Orphan Asylum, receives a ride into the rural Missouri town of Delphi with rich land-owner Tobias Brown.
A lone bounty hunter kills a member of an outlaw gang and all Hell breaks loose. When soon-to-be-legendary Billy the Kid's mother is killed in the gang's bloody retaliation, he is forced to team up with the mysterious bounty hunter to avenge the death of his mother. Soon, he'll discover that his and the bounty hunter's lives are fatefully entwined in this shoot-'em-up tale of gun smoke and justice in the Old West.
Fighter "Scotty" McQuade, contender for the light-heavyweight championship of the Pacific Coast,after being duped by his manager Ted Todd and fight-promoter Lew Slater, is disgusted with the fight game and decides to go back to punching cattle. He gets a job on the ranch owned by Colonel Hayden, where he once again encounters Slater, who has a crooked deal going that will cause Hayden to lose his ranch. With the aid of the Colonel's daughter, Betty Rose, and his pal "Frozen-Face" Cohen, McQuade breaks jail on a framed charge and puts an end to Slater's crooked dealings.
Chet Kasedon is after the Indians hidden gold mine but Chief Moya will not reveal it's location. He has also hired mining engineers Gale and Mortimer to locate the mine. When Gale sees Kasedon's cruelty to Moya, he switches sides.
A cowboy whose sister has been murdered by a gang of vicious outlaws seeks his revenge. But a venerable old lawman is about to teach the vigilante a lesson about taking the law into one's own hands.
Gangster Chandler and his accomplice Tracy arrive at a dude ranch. Cowboy Kentucky arrives at the same time. When Tracy double-crosses his boss and has the stage robbed, Kentucky finds the outlaws and brings them in. Tracy frames him for the murder of the driver but his pal Cactus gets him out of jail. He returns just as Chandler shoots Tracy and Kentucky finds himself arrested for another murder.
In his first starring Western for RKO, young Tim Holt must not only carry on his father's freight business but also hunt down his murderer. A certain Matt Gardner wants to corner the freight business to Pecos and persuades young Zack Sibley's wagon master to switch sides. Zack also earns the enmity of Gardner's son Coe, who takes umbrage to the youngster's flirtation with pretty Helen Lee. It all comes to a head during a food shortage in Pecos, a near-disaster that persuades the wagon master to switch sides once again. When the dust settles, Zack learns that old man Gardner is actually Carl Anderson, the man who murdered his father.
Colonel William Cody, alias Buffalo Bill, intends to put an end to the dishonest relations between a gang of white swindlers and the Indian, Yellow Hand. So he goes to the chief of Yellow Hand's tribe, Wise Fox, and tries to convince him to sign a peace treaty with the Federal troops. In order to avoid this, Yellow Hand abducts Wise Fox's daughter, pretending that the soldiers have done it.
The Holy Ghost is a supernatural gunfighter dressed in white and with a dove sitting on his shoulder. With his sidekick, the Holy Ghost rescues some farmers from the fortified prison of the evil General Ubarte, then raids the castle again for gold treasure aided by some local prostitutes.
Roy is a Confederate officer stationed in Missouri during the Civil War. He must put an end to outlaw gangs working under the pretense of service to the Confederacy.
In the 1850's, a young boy and his family on their way West become stranded in the Rockies. With the help of a local mountain man, a Sioux medicine man, and a legendary bear known as "Walking Thunder," the boy learns to become a man, and his family's survival is secured.
Chaco, a Mexican on the run from just about everyone, is framed for the killing of a couple of Mexican cattlemen. Everyone knows he's innocent but the evidence is substantial. Chaco escapes and with the help of a bounty hunter, goes after the real murderers.
Durango, a debt collector, arrives in the town of Tucson, where he is hired by a bank director called Ferguson, who refuses to pay him his fee afterwards. Durango is thrown in jail on a false accusation but manages to escape and teams up with a Mexican bandit to get even with Ferguson, who has concocted a complicated plan to rob a shipment of gold belonging to the people of Tucson.
A young cavalry officer finds his woman tortured by the Apaches and blames the Army for not properly protecting the outpost, so becomes a deserter and an avenger, stalking and killing Indians without warning.
Don Juan, the governor of a Mexican province, arrests Manuel, the fiancé of the beautiful heiress, Virginia. When Quintana frees Manuel, Don Juan kidnaps Virginia to force her hand in marriage. The ceremony is interrupted in a violent battle.
When John Barrabbee's plane makes an emergency landing, he wanders off and joins Roy's cattle drive. Later he learns he was killed when his plane resumed its flight and crashed. He also learns his daughter is going to sell his ranch and marry a man he dislikes. So he gives Roy a job on the ranch and sends him off to see if he can prevent both of these events while he remains in hiding. Written by Maurice VanAuken Western girl moves east and influenced badly by her snobby fiance. She returns to sell her deceased father's ranch. The father isn't really dead, though; he's hoping that his friend Roy can restore the girl's western values. Songs include "New Moon Over Nevada," "A Cowboy has to Yodel in the Morning," and "The Harum Scarum Baron of the Harmonium." Written by Ed Stephan
Bespectacled pistolero Stan Ross comes to Canyon City and becomes involved with two feuding factions, after a clerk has been killed by the banker Jefferson during a botched holdup, while robbing his own bank.