Tim Hart (Tim McCoy), a former Texas Ranger, comes out of retirement to avenge the death of Lightnin' Ed (Frank LaRue), his foster father, who had been sent to Rainbow's End, to investigate a series of train robberies. He senses that George Johnson (Walter McGrail) and his henchman, Speck (Bob Kortman), head the robbery gang, especially after Speck makes an ambush attempt on his life.
Wealthy rancher Bick Benedict and dirt-poor cowboy Jett Rink both woo Leslie Lynnton, a beautiful young woman from Maryland who is new to Texas. She marries Benedict, but she is shocked by the racial bigotry of the White Texans against the local people of Mexican descent. Rink discovers oil on a small plot of land, and while he uses his vast, new wealth to buy all the land surrounding the Benedict ranch, the Benedict's disagreement over prejudice fuels conflict that runs across generations.
Jim Killian arrives in a small Arizona town hoping to establish a peaceful life as the local preacher, but he soon finds himself in the middle of a feud between sheep ranchers and cattlemen. Leloopa, a young Native American woman, pleads for Killian's help after her shepherd father is hung by Coke Beck, the vicious son of the head cattle rancher. Killian must weigh his actions carefully lest he perpetuate the cycle of retribution and revenge.
The brother (House Peters Jr.) of rancher Bill Martin (Bill Elliott) is killed in a stampede started by cattleman. Bill returns to the Fargo country to take his brother's place and is welcomed by law-abiding cattleman MacKenzie (Jack Ingram)) and his daughter Kathy (Phyllis Coates). The leader of the ruthless cattle interests are townsman Austin (Arthur Space) and his henchmen Red (Myron Healey), Link (Robert J. Wilke) and Albord (Terry Frost). Bill has the idea of putting up barbed wire to keep the herds from been driven over the land cultivated by the farmers. He, aided by Tad Sloan (Fuzzy Knight), produces the wire by make-shift methods, but it proves effective. The cattleman charge in court that the wire is dangerous to their herds but lose the case. Austin orders his men to seize Bill, bale him in strands of the wire, and throw him on the stage of the town hall during a fall festival. Bill doesn't take kindly to this and it precipitates open war.
A rancher comes home and finds that his son has been murdered and his daughter kidnapped by a bandit gang. He hires a professional tracker with a reputation for finding his quarry to help him find the gang and rescue his daughter.
The Durango Kid is a sort of Robin Hood of the West who helps the lovely Walters (who replaced Starrett's usual love-interest, Iris Meredith), the daughter of a homesteader, defeat the evil MacDonald who has been terrorizing the decent citizens with his gang of rustlers.
Banker Mason is after the ranchers land so he can resell it to the railroad for a profit. He has the railroad agent killed and replaces him with his stooge who then offers even less than Mason. But Rocky eventually suspects Mason and when Bill Anderson informs him the agent is a fake, they head out after Mason
Singing cowboy Whip Wilson, the foreman on a cattle drive, quits his job to pursue five bank robbers who murdered his brother.
When attacked by two dogs, Joe Gilmore leaves them on the desert to die. Later one of the dogs saves John Blake from drowning. Men arrive claiming the dog is killing their chickens. They want to kill the dog but John convinces them the dog's fate should be determined by a trial.
Gene goes after the badguys after they kidnap the baby he should have been babysitting.
Two friends hired to police a small town that is suffering under the rule of a rancher find their job complicated by the arrival of a young widow.
An ex-con returns to his rural Ontario roots and outwits a corrupt and wealthy thoroughbred owner trying to take over a slew of local farms. Ray Dokes, a charming ex-ballplayer, returns from jail to discover the rural landscape of his childhood transformed by urban development. Determined to stay out of trouble, Ray heads to the farm of his old friend Pete Culpepper, a crusty Texas cowboy who trains losing racehorses and whose debts are growing faster than his corn.
A woman seeking revenge for her murdered father hires a famous gunman, but he's very different from what she expects.
Questions arise when Senator Stoddard attends the funeral of a local man named Tom Doniphon in a small Western town. Flashing back, we learn Doniphon saved Stoddard, then a lawyer, when he was roughed up by a crew of outlaws terrorizing the town, led by Liberty Valance. As the territory's safety hung in the balance, Doniphon and Stoddard, two of the only people standing up to him, proved to be very important, but different, foes to Valance.
When his cattlemen abandon him for the gold fields, rancher Wil Andersen is forced to take on a collection of young boys as his cowboys in order to get his herd to market in time to avoid financial disaster. The boys learn to do a man's job under Andersen's tutelage, however, neither he nor the boys know that a gang of cattle thieves is stalking them.
The romance of a rancher's niece and a rival rancher's son parallels that of a stallion and a mare.
Ken McLaughlin is a precocious 10-year-old who lives with his family on a remote Wyoming ranch. When Ken returns home from school with failing grades, his father, Rob, blames the boy's lack of personal responsibility. At the suggestion of his wife, Nell, Rob allows Ken to choose a single colt from the herd to raise as his own. Much to his father's dismay, Ken chooses a fiery mustang filly -- but the two soon become fast friends.
Johnny Mack Brown follows his tried-and-true western formula in Law of the Panhandle. This time, U.S. Marshal Brown backs up Sheriff Tom Stocker (Riley Hill) in an ongoing battle against a marauding outlaw gang. The thieves, led by snarling Henry Faulkner (Myron Healey), hope to scare all the local ranchers off the land that will soon be purchased by the railroad that's coming through the territory.
Sheriff John Higgins quits and goes into prospecting after he thinks he has killed his best friend in shooting it out with robbers. He encounters his dead buddy's sister and helps her run her ranch. Then she finds out about his past.
Young Travis Coates is left to take care of the family ranch with his mother and younger brother while his father goes off on a cattle drive in the 1860s. When a yellow mongrel comes for an uninvited stay with the family, Travis reluctantly adopts the dog.