This time the Durango Kid confronts an expert gambler.
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.
Johnny Brownell, former Confederate officer turned Federal agent, is sent to Texas during the reconstruction years to obtain evidence against a gang of raiders who have been making life difficult for the local carpet-baggers. He saves the life of Shorty Kendall, an unreconstructed rebel about to be hanged, and this wins him the gratitude of Belle Chambers, a widow whose husband was killed in the Civil War who hates all Yankees with a fever.
When Blackton outbids Bill Carson. Bill suspects he will have to rustle cattle to fulfill the contract. So Bill arrives posing as an Mexican. When he rustles the cattle from the rustlers, it gets him into the gang. Hoping to bring them all to justice, he is in trouble when his true identity is revealed.
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.
El Puma, a Mexican desert guide, escorts an archaeological expedition headed by Professor Lucius Lloyd through the Indian badlands of Mexico. Marian, the professor's niece accompanies the party as only she can translate the Aztec writings in the diary of her father, murdered on a similar expedition six years previous. The professor is murdered by a knife, and the weapon is recognized as the property of El Puma. Magpie, a Federal Investigator, knows that El Puma is really "Lightnin' Bill' Carson, a former federal agent who has been missing since Marian's father was slain. The reluctant Magpie believes that his old pal is guilty. Carson sets out to prove otherwise.
Steve is a Government Agent looking for the gang that stole the U.S. Mail. He goes undercover...
Steve Landry arrives as the new Marshal of a town that is having trouble with outlaws. When an outlaw escapes over the State line out of his jurisdiction, the Durango Kid brings him in. The Durango Kid then continues to break up the outlaw raids. But Belle, the saloon owner who is in cahoots with the outlaws, notices the the boot prints of the Durango Kid match those of the new Marshal and a trap is sent to get Durango.
Dakota Indian Agent Steve Reynolds receives a copy of the Bonanza City Nuggett from Jim Mallory and reads a story blaming the Durango Kid for recent gold mine raids.
Markham and his men have found gold on the Indian reservation and are trying to get rid of them by starting an Indian war. Dressed as Indians they are attacking the soldiers. Steve Holden is the Indian agent sent to prevent a war. After finding proof that white men posing as Indians were responsible, he is able to locate the gang's hideout but quickly becomes a prisoner slated to be killed. - Written by Maurice VanAuken
Western star Charles Starrett was amazing; he kept making the same film over and over, but always made it seem as if it was for the first time. In West of Sonora, Starrett once again plays a frontier good-guy named Steve (Steve Rollins, to be exact), who, when the need arises, disguises himself as The Durango Kid, masked righter of wrongs. This time, Steve/Durango champions the cause of 10-year-old Penelope Clinton (Anita Castle), who has spent her short life as the focus of a feud between her grandfathers, suspected outlaw Black Murphy (Steve Darrell) and Sheriff Jack Clinton (George Cheseboro).
A masked outlaw steals from bank robbers to help the poor.
The Durango Kid sets out to clear his name after being falsely accused of a payroll robbery.
Mahoney is a sheep man who's framed for the murder of a rancher. It's all part of a scheme by a dishonest cattleman who hopes to extenuate a range war for his own profit. The Durango Kid helps clear Mahoney's name.
The town of San Felipe is plagued by robberies. Two Federal Agents are sent to investigate the major suspect, a local landowner. One agent works on his ranch, the other becomes his daughter's fiance.
The Durango Kid and his sidekick look for stolen gold with a history.
The Durango Kid (Charles Starrett) returns to Ret Butte intending to sell his cattle ranch. Saloon owner, Duke Catlett (Lane Chandler) is the secret owner of a sheep flock which graze on the cattle lands--leaving them useless for cattle. A range war looms between the cattlemen and sheepherders.
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?
Steve Driscoll arrives to help a friend who is trying to bring in an oil well. He finds that the well has been blown up and the workers have quit. He gets the workers back on the job and orders a new drill bit . When the drill bit is stolen he organizes the townspeople to invest in the well. But when the money is collected, a fake Durango Kid shows up to take it and flee