Winters is after the Brand ranch, and his man Brett who is foreman there is rustling the Brand stock. But Tom is on to their game and breaks up their attempt to buy the ranch. When they plan to rustle their horses, Tom must not only rescue Danny Brand, who is their prisoner, but stop the rustlers.
In the 1860s, Mary Marlowe defies her father's wishes to marry a British lord and runs away with clerk John Carlton as he heads West to make his fortune. Mary and John endure the difficult journey and settle into a small cabin, then face the hostilities of a cattle rustling gang, as well as the tragic loss of their only son. With Mary's help, John defeats the gang, which propels him to political power that, over the years, gradually erodes the once-happy marriage.
Its 1850 and California is under ruthless military rule. Kirby Tornell's rancho has been taken over by soldiers and when two of Kirby's men are captured, he goes there to free them. He meets the General's daughter there and attracted to her, repeatedly returns to see her. Eventually he is captured and now his men must try and rescue him.
In prison for a crime he didn't commit, Tim Richards has escaped and is now a cattle inspector. He is after the Wilder brothers who he thinks are rustling cattle.
Joe has Cowboy-Race Driver Brent drive him to the border where his men slug Brent, and he shoots Stafford and takes his bonds. Brent's old friend Chuck arrives and the two head out to find the gang and recover the bonds.
It's just after the Civil War in Kansas and Joan Randall and her troops are continuing the struggle. Jeff Conners is sent to bring her in and when he does she is found guilt and sentenced to hang. Earlier Jeff learned that her assistant Colonel Jedcott is the real culprit and rides to the Governor for a pardon only to be waylaid by Jedcott on the return trip.
A gang of horse thieves are able to operate because the crooked local sheriff is in cahoots with them. When Tom Mix's beloved horse Tony Jr. is stolen, he steps in to break up the gang.
The ranchers have given money through Benton to the crooked lawyer Harkness to save the titles to their land. When Harkness gets a better offer, he steals Benton's receipt for the money and Benton is jailed. To fight back, Benton escapes jail at night to become the Phantom.
Skinner and his gang are grabbing land from the ranchers. When they go after Kerry's ranch Ken stops them. Skinner frames Ken for rustling but the Sheriff is on Ken's side, and with the help of his brother Earl's Boy Scout troup they go after the gang.
The Sheriff shoots the robber of the Bank and recovers the money bag only to find it empty. Ranger Tim Barlow arrives and takes over the investigation.
Chasing a gambler that stole money, Tom Larkin gets his horse shot out from under him. Meeting an outlaw with a horse, after a fight Tom rides away on that horse. Arriving in town he is mistaken for the outlaw and offered a job of killing a man. But the man is the father of the girl that Tom's money was to go to but was stolen by the gambler.
The Llano Kid is robbing stages but only taking money from Montana Slade's Cottonwood Mine. He then gives the money to those cheated by Slade. The Sheriff is after him and eventually obtains a picture and displays wanted posters and is soon after him.
Running from the law, Jim Hall joins Hays’ gang. Hays is foreman on the Herrick ranch and plans to rustle Herrick’s cattle. Attracted to Herrick’s sister Helen, Jim decides to tell the Sheriff about the raid. But when his plan is overheard he is made a prisoner.