The Texas Rangers send Dave and Chito into the badlands to see if they can locate a counterfeiting operation. They arrive posing as wanted outlaws and this gets them into the gang. But as soon as they uncover the operation and locate the printing press, one of Chito's girl friends arrives to expose their identity and they find themselves trapped by the entire gang.
To prevent a lynching, Ranger Tim lets two outlaws go saying he will get them later. This gets him kicked out of the Rangers and he goes across the border and joins Big George's gang who are running contraband. But the outlaw Jimmy overhears Tim tell his sister that the dismissal was a fake. Big George and his gang then go after Tim and trap him in a cabin.
A Texas Ranger and a ruthless narcotics kingpin - they were childhood friends, now they are adversaries...
Having fled to Mexico from the U.S. many years ago for killing his father's murderer, Martin Brady travels to Texas to broker an arms deal for his Mexican boss, strongman Governor Cipriano Castro. Brady breaks a leg and while recuperating in Texas the gun shipment is stolen. Complicating matters further the wife of local army major Colton has designs on him, and the local Texas Ranger captain makes him a generous offer to come back to the states and join his outfit. After killing a man in self-defense, Brady slips back over the border and confronts Castro who is not only unhappy that Brady has lost his gun shipment but is about to join forces with Colton to battle the local raiding Apache Indians.
Ten years after the Civil War has ended, the Governor of Texas asks Leander McNelly to form a company of Rangers to help uphold the law along the Mexican border. With a few veterans of the war, most of the recruits are young men who have little or no experience with guns or policing crime.
Sayres and his outlaw gang operate out of a town just across the border and out of the jurisdiction of the Texas Rangers. Ranger Bob Allen is sent across the border where he poses as an outlaw hoping to lure the gang back into Texas. He gets into Sayres' gang displacing the gang boss but the disgruntled ex-boss is able to expose the hoax and Bob is made a prisoner.
Peggy Barlou is a young rancher who refuses to sell her spread to greedy stage-line proprietor John Rankin. Tex Haines, meanwhile, is accused of killing Bill Dugan, Rankin's bodyguard, but eludes capture long enough to hook up with Dave Wyatt and Panhandle Perkins, a couple of rangers in disguise.
In Wyoming, mountain trapper Yancey goes to the nearest town to trade his pelts but gets into trouble when he tries to save runaway dance-hall girl Rosalie from her shameful job.
Cal Stanley goes undercover as a beef buyer in order to catch the gang responsible for stealing the area's cattle.
A peace-loving man named Ben Kane takes a job as deputy marshal of Lords, in the old West. Kane is no lawman, but he accepts the badge because he has an old score to settle with the town's chief trouble-maker. Once on the job, Kane must also deal with a young sharpshooter named Billy Young and a sharp and sassy saloon dancer, Lily.
On a train trip out west to become a mail-order bride, Susan Bradley meets a cheery crew of young women traveling out to open a "Harvey House" restaurant at a remote whistle-stop.
A man searching for a stolen army payroll is joined by several men after the reward money.
Texas Ranger Jake Cutter arrests gambler Paul Regret, but soon finds himself teamed with his prisoner in an undercover effort to defeat a band of renegade arms merchants and thieves known as Comancheros.
Someone has been stealing ore from a valuable smelting mine. One of the independent mine-owners victimized by the crooks is pretty Joan Manning, making the Rangers' mission a bit more pleasant.
In this western, fake settlers make themselves at home on an ex-ranger's ranch and drive him away. A shady newspaper publisher and a gambler then conspire to take over the land. Fortunately, another ranger endeavors to help his pal. Enlisting the aide of his fellow rangers, they get oust the homesteaders. The publisher and the gambler shoot each other and the retired ranger gets his ranch back.
Texas Ranger Buck Dunne is assigned to round up a gang of bank robbers. The leader of the gang turns out to be the "respectable" Judge Longstreth, making life difficult for Dunne inasmuch as he's in love with Longstreth's niece Barbara.
A stranger comes to town looking for his estranged wife. He finds her running the local girls. He also finds a town and sheriff afraid of their own shadow, scared of a landowner they never see who rules through his rowdy sidekicks. The stranger is a town tamer by trade, and he accepts a $500 commission to sort things out.
The Texas Rangers round up rustlers by masquerading as the same. Trouble ensues when while in disguise one of the Rangers is accused of a killing.
Two down-on-their-luck former outlaws volunteer to be Texas Rangers and find themselves assigned to bring in an old friend, now a notorious outlaw.
Following the murder of her father by a hired hand, a 14-year-old farm girl sets out to capture the killer. To aid her, she hires the toughest U.S. Marshal she can find—a man with 'true grit'—Reuben J. 'Rooster' Cogburn.