Indian scout Tom Jeffords is sent out to stem the war between the American settlers and Apaches in the late 1870s Arizona. He learns that the Indians kill only to protect themselves, or out of retaliation for white atrocities.
An American actor, impersonating an English butler, is hired by a rich woman from New Mexico to refine her husband and headstrong daughter. The complications increase when the town believes the actor/butler to be an earl and President Roosevelt decides to pay a visit.
Lin McAdam rides into town on the trail of Dutch Henry Brown, only to find himself in a shooting competition against him. McAdam wins the prize, a one-in-a-thousand Winchester rifle, but Dutch steals it and leaves town. McAdam follows, intent on settling his old quarrel, while the rifle keeps changing hands and touching a number of lives.
Evil Grant Withers lets a killer horse loose to ruin valuable horses on nearby ranches. He hopes to shake down the ranchers for his "protection". Roy tracks down the bad guys, but is suddenly trapped by them. Peter Miles, a boy terrified of horses, overcomes his fear and rides for help to save the day.
In order to make Tug Cardwell (William Phipps) sign over his rich gold claim to them, John Avery (Robert Shayne), Gypsy Avery (Veda Ann Borg) and Jackson (Marshall Reed) hire Bob Rankin (Douglas Fowley') to kidnap Tug's sweetheart Jane Whipple (Elaine Riley). Rankin hides Jane and then demands half the mine from the other crooks. Dave Saunders (Tim Holt) and Chito Rafferty (Richard Martin), friends of Tug's, find Jane and taker her to safety. The conspirators then shoot Rankin, capture Tug and force him to take them to his claim. Dave and Chito are close behind.
White settlers plan to defy the agreement between the government and the Comanche to mine for silver on Comanche lands, while scout Jim Bowie tries to keep the peace in the territory.
Two young horse traders guide a Mormon wagon train to the San Juan Valley and encounter rugged terrain, the cutthroat Clegg gang, hospitable Navajo, and moral challenges on the journey.
Late in the Civil War, three Confederate soldiers escape from a Union prison camp in Missouri. They soon fall into the hands of pro-Confederate raiders, who force them to act as "outriders" (escorts) for a civilian wagon train that will be secretly transporting Union gold from Santa Fe, New Mexico, to St. Louis, Missouri. The three men are to lead the wagons into a raider trap in Missouri, but one of them starts to have misgivings....
Billy the Kid becomes embroiled in Lincoln County, NM, land wars. When rancher who gave him a break is killed by rival henchman, Billy vows revenge. New employer takes advantage of his naivety to kill rivals, lets the Kid take rap. Kid takes to the hills with friends until caught. Escapes hanging but remains in area to be near employer's young wife with whom he's infatuated
Out-of-work cowboys Kansas Jones and Chito Rafferty are offered jobs at pretty Dusty Willis' ranch after saving her from a beating by saloon owner Clint Burrows. Dusty's good-hearted but weak-willed brother Harry, adding to his $3000 gambling debt to Willis, reluctantly agrees to pay it off by allowing the Ringo Kid, Burrows' vicious hired gun, to rustle cattle from his sister's ranch. Kansas intervenes, deters the rustlers and persuades Harry to confess his involvement to Dusty. Kansas, sent into town by Dusty to pay off Harry's debts, suddenly finds himself on the wrong side of the law, wrongly accused of murder and must rely on Dusty's belief in his innocence for his salvation.