Bob arrives looking for the killer of his uncle. When the Sheriff chases him and his partner Rusty, Reno thinks they are the men he is looking for and takes them into his gang. There Bob finds his uncle's gun and knows he has found the right gang. However he realizes the gang has an unknown leader and he sets out to find him.
Jeff arrives in town to see the Sheriff only to find him just killed. The culprit is Clay Wheeler. When Jeff becomes friendly with Letty, Clay sends his man Ortega to kill him. Jeff foils the attempt and gets him to confess that Clay was the killer. With only old-timers Lafe and Bill to help, Jeff heads after Clay and his gang.
Meline is taking money from his own bank to drill an oil well. When he finds Doug Redfern's bandana, he has his gang rob his bank and uses the bandana to frame Doug. When Doug is convicted but immediately paroled, Meline has another plan that he thinks will put him away permanently.
Lawyer Bowdre has started a war between the ranchers and the homesteaders planning to take over the homesteaders land when they are wiped out. Rancher Dan Stockton, having just married homesteader Gail Dawson, is caught in the middle. He suspects Bowdre is behind the war and it's not long before he gets a chance to prove it.
John Clark (Bob Steele) and his deaf pal, Bootch Collum (Buck Connors), are trailed by U. S. Marshal Lamar Bly (Jack Rockwell)...
Dyer is buying ranches and then retrieving his check by having his gang kill the owner. Bob Worth arrives just as Buck Morton is killed and gets blamed for the murder. Fleeing from the Sheriff, Bob teams up with the Mexican outlaw Golinda. Having seen Dyer pay off his men, he has a plan to trap him and Golinda is just the man he needs to make it work.
Bob Marlow is sent undercover to an Arizona town where an outlaw gang, comprised of the six Tolliver brothers, have taken over the town and terrorizing the citizens. He comes to town, posing as an Eastern dude, and, through a series of incidents manages to get rid of three of the brothers, mostly through their own ineptness. The remaining brothers decide to get-while-the-gettin'-is good, rob the bank and head for the Mexican border. But Bob isn't far behind.
Jim Waters arrives at Ed Parks' ranch to find Parks' cattle herd mysteriously increased. Hamp Harvey has been losing cattle and he suspects Parks. But the culprit is Harvey's foreman Brent who gets his orders from the town's leading citizen Sig Barstell. Barstell wants Harvey's ranch and after trying to frame Harvey by killing Parks, Waters takes over and goes after both the killer and the rustlers.
When his young son is shot, John Wellington kills the culprit and flees. But his son Johnny recovers and is raised by Sir George. Some twenty years later Johnny sets out to find Sir George's missing granddaughter.
Defense Atorney Gerald Waring uses great skill and ingenuity in his efforts to save the life of a young man charged with the murder of his father. Witness after witness piles up damaging evidence against the accused youth, but expert cross-examination by Waring digs out the startling truth behind the killing and subsequently reveals the identity of the real killer in a surprise-twist ending.
When Colt kills the men that murdered his father, he escapes his pursuers and joins Wolf and his outlaw gang. After two years Wolf breaks up the gang, deeds his ranch to Colt, and turns himself in. Now an honest rancher, things are going fine for Colt until Wolf's old gang shows up under a new leader. Colt get the Governor to release Wolf claiming the two of them can bring in the gang.
Jimmy Dixon, pursued by a band of Mexicans, changes clothes with a tramp, who takes off on his horse. Four miles later, Jimmy walks onto the Double-O Ranch, from which he had been thrown off four years before by his dad, who had blamed Jimmy for something that his twin brother Duke had done. Duke, home from college, took over the ranch when Mr. Dixon became ill, and has run it into the ground. When Duke goes to the bank to repay a debt to Jimmy, he rides onto Phoenix with all of the ranch money.
Hank Davis kills Jack Lewis to get his gold mine. Bruce Conway brings him in but then realizes Davis is the only one that knows where the mine is. Bruce and his pal Whitey rescue Davis from the lynch mob only to have Davis' gang catch them and leave them in the desert to die.
Manning breaks out of prison and joins Blake's gang of outlaws. Later a paroled Muggs arrives to rejoin the gang. Muggs is the only one who knows where the stolen money is hidden and Manning is after it.
Rancher Reynolds has fired his men and hired killers and is now using a crooked land deal to put the other ranchers off their land. Calico finds the reason why when he runs into his old nemesis Porter.
Brett runs a protection racket for an unknown boss. When Jeff Hayes arrives and opens a gambling den, they try to shut him down. Unlike the others who have given in, he plans to fight back.
Prizefighter Jimmy Nolan, facing an opportunity to get a championship fight, is knocked out when he sustains what is apparently a permanent injury to his arm. From there, Nolan's path leads downhill. He is drawn into a romance with a nightclub entertainer, then is framed on a theft charge by a jealous suitor. After his prison term, Nolan makes a spectacular comeback in a fight which proves his courage and integrity, while disproving the fallacy about the old sports adage that "they never come back."
Trains are being robbed by a gang led by an outlaw on a beautiful white horse. The marshal sent to investigate finds out the horse beings to the girl he's in love with.
Ted Warren returns from WWI to find that everyone thinks he was dead. The culprit is Kent who intercepted his mail, rustled the Warren cattle, took over the Warren ranch, and is now after Ted's girl friend. When Kent's henchmen fail to kill Ted, Kent shoots Ted's father and leaves him for dead. But only wounded, the plan is to have Warren appear as a ghost to get a confession from Kent.
Cowboy with a reputation as the fastest gun in Texas heads to Arizona to leave his past behind, but it keeps catching up to him.
