The notorious Dalton Boys have decided to go straight and move to Argentina. Just before they leave, they learn of a friend whose land is about to be seized by a greedy land company. Before they can help, the man is killed by a company assassin. The brothers do manage to rescue his widow and head for the hills. There, they decide to revert back to outlaw life. Meanwhile, a newspaper publisher's daughter falls for one of the brothers.
Deputy Marshall Larry West goes undercover to find out who has been terrorizing the territory, Navajos or the Dalton Gang.
Joe Branch, reputed to be the son of Jesse James, comes riding into Coffeyville Kansas, looking for proof one way or the other regarding the question of who his father was.
William Munny is a retired, once-ruthless killer turned gentle widower and hog farmer. To help support his two motherless children, he accepts one last bounty-hunter mission to find the men who brutalized a prostitute. Joined by his former partner and a cocky greenhorn, he takes on a corrupt sheriff.
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.
Bank employee assigned to tell Arizona rancher her property is no good gets suspicious when her foreman agrees. Turns out his banker boss and the foreman know there's silver on that property.
Dan Ward, reformed and last member of an outlaw family, meets Molly Clark in a rocky draw near town. Ted Wells, a henchman for Dan's enemy Jim Swain, attempts to shoot Dan but is outdrawn and killed by the latter. Molly disappears and Dan learns that she and Wells had ridden there together. Sheriff Bob Larimer tells Dan that Molly is in love with Bert Gilmore and tried to have him ambushed. Dan takes a risky job with mine owner Pember of getting the $10,000 payroll through to the mine. Swain suspects that Dan is carrying the payroll, but his gang is unable to stop Dan. Betty Pember disregards Dan's warning that the hills are filled with Swain's men and she starts for town. She is kidnapped by Gilmore and Molly and Dan ride to her rescue.
Night riders are terrorizing homesteaders, and the town doctor tries to keep the locals from forming a vigilante group. After more towns people are killed, however, the rest of the town makes the doctor the town sheriff and tells him to clean up the gang.
Working undercover, Rangers Bob and Wally arrive to take up ranching. Out to stop them is Bill Nash and his men. When Bob plans to file on a ranch, Nash finds out and heads for the Registrar ahead of him.
When Johnny and Mendez argue, the lights go out, and in the ensuing gunfight Johnny thinks he killed his friend Dick. Now refusing to wear a gun he crosses the border. But it is not long before he runs into Mendez and more trouble.
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.
Harris and Rigby own a circus. Rigby is a counterfeiter and frames his partner. The Mesquiteers learn Rigby is the culprit and get a confession from one of his men only to lose the case when the man is murdered in jail. The Mesquiteers try again and send Lullaby to try and win some of the fake bills in a card game.
Having spent the last 10 years fighting injustice and cruelty, Alejandro de la Vega is now facing his greatest challenge: his loving wife Elena has thrown him out of the house! Elena has filed for divorce and found comfort in the arms of Count Armand, a dashing French aristocrat. But Alejandro knows something she doesn't: Armand is the evil mastermind behind a terrorist plot to destroy the United States. And so, with his marriage and the county's future at stake, it's up to Zorro to save two unions before it's too late.
The dreaded Doc Snyder returns home after 30 years. After his long ride through the prairies of the wild west, his laundry is extremely dirty, and who could wash it better than his unshaven mommy? But first she sends him to the prison, from which he is to free his brother Hank, because otherwise he will be hanged. When that's done, they both spontaneously decide to rob a bank, which goes completely wrong. Before Doc Snyder's eyes, his beloved brother is shot by his intimate enemy, the Nose Man. Snyder initially manages to escape, but the Nose Man takes up the pursuit, and from then on many innocent people have to die - including Snyder's mother...
A white man trades with the Comanche for the release of a female stranger and the pair cross paths with three outlaws who have their eyes on the handsome reward for bringing her home and Comanche on the warpath.
Will Penny, an aging cowpoke, takes a job on a ranch which requires him to ride the line of the property looking for trespassers or, worse, squatters. He finds that his cabin in the high mountains has been appropriated by a woman whose guide to Oregon has deserted her and her son. Too ashamed to kick mother and child out just as the bitter winter of the mountains sets in, he agrees to share the cabin until the spring thaw. But it isn't just the snow that slowly thaws; the lonely man and woman soon forget their mutual hostility and start developing a deep love for one another.
An itinerant farmer and his young son help a heart-of-gold saloon singer search for her estranged husband.
Ranger Eddie Dean is looking for the outlaw the Tioga Kid, a man he closely resembles. He runs into Joe Morino and his gang of rustlers at the same time Tioga arrives to cut himself into Morino's game. But Morino doesn't give in and in the showdown, Eddie and the Kid find themselves on the same side.
Zara Montalve, half Spanish and half America, returns to her native California in time to see her parents murdered for their hacienda and gold by Sheriff Jim Harding and his gang. Posing as Lola Belmont, an American visiting from Detroit, teams up with Joaquin Murietta, posing as Carlos Del Rio, to form a Robin-Hood type band that takes vengeance on the gang and restores stolen gold to its rightful owners, aided by militia leader Dan Hinsdale.
The conflict between a railroader and a stage line owner is being aggravated by bad guys who are sabotaging both sides. Roy and Gabby mediate the conflict and expose the bad guys.