Kirby and Evans are pulling off an irrigation project swindle and newspaper editor Scott realizes it and sends for Lee. Lee agrees with Scott and forms a vigilante group to fight the Sheriff and his deputies brought in by Kirby. But a dying Uncle Dan sets the Sheriff straight and this brings the two sides together for the big shootout.

The Range Busters head for Pinto Basin where a series of stage robberies have occurred. To try and find the gang's boss, Crash sends out a empty money box. The plan backfires when the boss has the Range Busters identified as the robbers. Thinking it is now safe, the bank sends out a big money shipment. Needing to rob the stage, the boss gets the boys out of jail so they can be blamed. But this is just the chance they need to catch the robbers.

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.

After being hit by rustlers, a group of Montana ranchers asks the governor to send state rangers for protection. State Ranger Rocky Lane becomes involved in a mystery surrounding a gang of horse rustlers and a young rancher who is blamed falsely for a killing. Lane helps uncover the real killers and unmasks the ringleader of the rustlers.

B-Western regulars Jack Perrin and Marilyn Mills starred in this obscure, low-budget Western serial released in 15 chapters.

Marshal Tim Donovan has been sent to investigate a series of holdups. Posing as a card sharp he soon believes he knows who is tipping off the outlaws. So he sets up a fake shipment knowing that if the stage is robbed the contact person will be identiifed. But the day the stage is due the Sheriff arrests the gang Tim was expecting to do the robbery.

Marshal "Rocky" Lane comes to the aid of Sheriff Bill Walters who is having a hard time trying to save the local farmers and ranchers from raids and hijackings.

The Rancho Grande, a Texas border ranch, cut off from the law by a gang of outlaws led by ranch foreman Bart Lane, who is holding the elderly owner of the ranch, Sarah Burton, a prisoner. Tex Lowery, an undercover Texas Ranger, rescues Martha Williams, a nurse sent for by the ailing Sarah, from a stagecoach holdup by Lane's henchmen. He later convinces Laner that he is a wanted outlaw named Ed Carter, and gains entry to Rancho Grande. But the real Ed Carter shows up.

Sunset returns to find the Carson-Sterling feud still going. Sterling has been killed and it's not long before Andrew Carson is murdered. To end the feud Sunset challenges Martin Sterling to a shootout. Unknown to Sunset, Martin's sister Melinda has waylaid her brother and now appears for the shootout disguised in her brother's clothes.

Promoted and advertised as "The Million Dollar Serial", most of which appears to have been spent on advertising and the most elaborate pressbook ever put out by Universal on a serial (or 95% of their feature films for that matter), Universal's 51st sound-era serial (following "Sky Raiders" and before "Sea Raiders" and, to quote the late Oliver Drake who wrote the original story,.