El Malo, notorious Mexican bandit, forces the Mayor of Sierra Blanca, Seth Landport, to open the safe and turn over to him 2,000 pesos, which the bandit gives a promissory note for to the Mayor. Seth rushes to the cantina where Sheriff Rankin is drinking, and the sheriff posts a reward for the capture of El Malo. El Malo informs his men of the reward. The bandit and his sidekick, Pedro, visit the cantina where Pedro resumes a former acquaintance with Dolores, while El Malo has his attention directed to a tango being performed by Carmita. El Malo pushes her dancing partner aside and finishes the dance with Carmita. Since Seth's description of him is not accurate, El May visits the sheriff and promises to deliver the wanted bandit to the cantina the following night. THe following morning, El Malo and Pedro depart, and, halting their horses on a hill, view the stagecoach being held up by a trio of outlaws.
Mickey and Minnie are on a wagon train; they camp for the night, unaware that Indians have spotted them and are doing a war dance. The attack comes, and Minnie is captured.
After Bob Lansing (Jay Wilsey as Buffalo Bill Jr). is involved in a nightclub scrape, where he meets Montana rancher Madge Holt (Allene Ray)), his father sends him out west with his chauffeur Ben (Ben Corbett). In Montana, they are mistaken for rustlers Dick (Tom London) and Jim (Yakima Canutt), and Bob again meets Madge, who recognizes him but wishes to make things difficult for him.
Dissension arises between cattlemen in Osage County, Texas, and sheepherders who have settled there and use the same watering stream. Mart Dalton, son of a wealthy cattleman, quarrels with and kills one of the settlers, thus placing sheriff Larry Williams in a delicate position; for he is Mart's best friend and is engaged to Mart's sister June. However, sworn to do his duty, he arrests Mart, incensing the cattlemen, who help Mart escape, leaving Larry wounded.
There is a feud on the Colonel's ranch between his foreman Longrope and some of the hands. The Colonel is firing those that don't get along with Longrope and it looks like Wally will be next. But things change when Jim overhears Longrope's plan to rob the Colonel. Longrope shoots Jim and this sends Wally into action.
A young man's father is murdered and the man convicted of the crime escapes prison, leaving a note intimating that seven local men know the real killer's true identity. The murdered man's son sets out to locate the seven men and find his father's slayer in this ten episode serial.
Bill Tracy is a Cattleman's Protective Association agent. Working undercover on his way to Sonora, a town dominated by rustlers, saves Betty Carter from a situation, but her rancher father, believing Blackie's suggestion that Bill is a rustler, forbids her to see him. Bill and his pal Heinie Schmaltz rescue each other from rustlers' various plots and ambushes and eventually discover that Blackie, Carter's foreman, is the leader of the rustlers.
Having helped his father escape the law, Jim Curtis heads north with the Marshal chasing him. He and his pal Snicker elude the Marshall by changing clothes with two actors. Now forced to do vaudeville skits, Jim finds the man responsible for his and his father's problem working in the same saloon.
Sgt. Conniston and his alcoholic guide O'Toole are on the trail of an escaped murderer named Keith. When they catch up with him in the farthest reaches of Northern Canada, Keith turns out to be a dead ringer for Conniston. On the way back, the sled overturns, Keith grabs the gun and leaves them to die in the snow. After second thoughts he comes back and brings them to safety at an RCMP emergency cabin. Conniston dies of a frozen lung and Keith takes his place.
Young scout Breck Coleman leads a wagon train along the dangerous trail to Oregon as he tries to get the affection of the beautiful pioneer Ruth Cameron and plans his revenge on the harsh scoundrels who murdered a friend of his in the past.
The Utah Kid eludes a sheriff's posse and takes refuge in Robber's Roost, a hideout for outlaws running from the law where he meets and falls for a waylaid school teacher.
Cardsharp Jack Cardigan decides to go straight when he meets Doris Bradfield, but is forced to use his talents on behalf of her dad, whose land-grant title has fallen into the hands of Jed Harden through the gambling weakness of Bradfield's son Tom.
Billy, after shooting down land baron William Donovan's henchmen for killing Billy's boss, is hunted down and captured by his friend, Sheriff Pat Garrett. He escapes and is on his way to Mexico when Garrett, recapturing him, must decide whether to bring him in or to let him go.
Steve O'Neil robs the stage and kidnaps Nita to keep Lopez from doing the same. Then he and Buckshot head for Lopez's hideout for a showdown. The townspeople head after them not knowing what they will find.