Charles Starrett once more dons the mask of mysterious do-gooder "The Durango Kid" in Columbia's Challenge of the Range. Wandering cowboy Steve Roper (Starrett) is hired by the Farmers Association to stem the activities of a group of gunmen who are driving ranchers off their land. The most likely suspect turns out to be innocent: the real culprits are within the Association itself. With the help of the chief suspect's son, Roper brings the crooks to justice.
Starrett tries to prevent a range war between settlers and the Native Americans. Blue and his fellow scoundrels think they can profit from the bloodshed,but the Durango Kid along with a couple of precocious youngsters put an end to Blue's terrorism.
Richard Dix as Dan Taylor and Preston S. Foster as Paxton Bryce are two longtime friends seeking their fortune in Texas after the war. The two men decide, not without problems, to establish a cattle empire. Paxton becoming too ambitious, distances himself from Dan and Abby, Paxton's wife. It will only be after a personal tragedy that he will come back to his senses.
After the Civil War, a Texan who served in the Union army comes back home to find himself ostracized by his neighbors for having fought against the Confederacy. On top of that, he finds that his younger brother is now the sheriff, and is ruling the town with an iron hand.
Rip-roaring big star, big budget semi-historical story about cattle baron Devereaux Burke, who is enlisted by an aging Andrew Jackson to dissuade Sam Houston from establishing Texas as a republic. Burke must fight state senator Thomas Craden, in the process winning the heart of Craden's newspaper-editor girlfriend Martha Ronda.
Tex is up against a group of hooded outlaws. When he shoots one, he uses the hood to infiltrate the gang. Almost caught by them, he escapes only to be arrested by the Sheriff who thinks he's one of the gang.
Federal agent Steve Lawton works undercover with his assistant, Smiley Burnette, to track down an outlaw gang that is raiding government gold shipments bound for Fort Navajo.
Set in 1869, after the Civil War, Texas had not yet been readmitted to the Union and carpetbaggers, hiding behind the legal protection of the Union Army of occupation, had taken over the state. Federal Captain Porter, a Texan, has to carry out orders against his own people. He brings in the rebel leader Ben Westman whom he knows is innocent of a murder that he is accused of. In trying to prove his innocence, Porter himself becomes a wanted man.
Steve is a Government Agent looking for the gang that stole the U.S. Mail. He goes undercover...
Passing through a border town, a man is caught up in a Mexican's murder of a member of the town's most powerful family.
Freight wagons are being stolen and ransomed back to their owners. Government agent Steve Langtry (and his alter ego the Durango Kid) is sent break up the Hood Gang that's behind the robberies.
Silver is being smuggled across the border and the secret passage goes through Betty Long's basement. When Steve arrives he gets tangled up with the rustlers who are now going to have the Durango Kid to contend with.
A major Indian uprising is expected and Wyoming military posts are alerted. Colonel Dennison is meeting with Chief Eagle and his son Running Wolf when Chief Eagle is mysteriously shot. Steve Holden, an agent for the government peace commission, with the aid of a wandering shoemaker, Smiley, discover the troubles and the Chief's murder have been instigated by Cronin, the regimental scout, for personal gain for he and his gang of outlaws.
Old Mike Brady built Brady Town and was a leader, but a bullet from an unknown assailant has ended his life. When the will is read, it leaves the bulk of the property to Kirk, the gambling son of Mike. This upsets Sam, the hard working son, but not gambler Full House who always beats Kirk at cards. But even the Sheriff is suspicious of the will, but he needs proof and the Durango Kid will find the proof.
Stage line owner Brent has his men robbing Halliday stages and when his manager Waring learns of it, Brent has him killed. Jeff Waring arrives and takes his uncle's job. He soon learns what's happening and the Durango Kid goes into action. This keeps Halliday going and gives them a chance to get the mail contract by winning the stagecoach race.
Steve Holden, a secret service agent, is suspended when his boss becomes suspicious of his activities as The Durango Kid. Can Steve prove his innocence?
When Sheriff Jeff Connor of Powder River cannot stop the crime wave, his young son, Larry, writes to the Durango Kid for aid. Taggart, the saloon owner, is the secret head of the outlaws, while Connor's brother Bill is in cahoots with him. Steve Randall, the Durango Kid, and his pal, Smiley Butterbean, arrive in time to stop a stagecoach holdup, and Steve is made a deputy sheriff. Taggart has one of his men, Slade, pose as the Durango Kid and while he is speaking to the townspeople, the rest of the outlaw gang pillages the town, and this somewhat damages the Durango Kid in the eyes of Larry and his sister Doris. Steve suggests that Sheriff Connor visit the government about a railroad project, and Taggart instructs Slade and the gang leader to kill Connor on his trip back.
The cattle herds of some Arizona ranchers are being stampeded and stolen, so the Arizona Stockmen's Syndicate sends ace investigator Steve Reynolds in to find out who is responsible. Steve poses as a vicious gunslinger named Buck McCloud to work his way into the gang, and then becomes the Durango Kid to disrupt the activities he learns about. Jud Temple is the loyal fiancée of town banker Grat Hanlon who turns out to be the brain-trust behind the gang.
Treasury Department Steve Waring, and also, unknown to others, the Durango Kid, comes to Sunset Pass in search of $1000,000 in gold coins, stolen from the government by the late Forrest Brent. He is aided by Smiley Burnette, the local deputy sheriff. Later, Paula Thorpe, Brent's daughter from his first marriage, arrives with her lawyer sweetheart Frank Raeburn, with intentions of proving her father's estate belongs to her and not to Mrs. Brent, his wife of record when he died. The widow Brent has no intentions of giving up one single cent.
When Steve Downey arrives to reopen his brother-in-law's gold mine, he finds a war between the ranchers and the miners. Ashton has had the water poisoned killing cattle. When Ashton's men find Steve's hat, they kill Tom Tavish and frame Steve for the murder. Escaping jail the Durango Kid goes into action.