A masked outlaw steals from bank robbers to help the poor.

The outlaw gangs are robbing the railroads and the Rangers cannot follow them when they move to New Mexico. So Kip decides to take a vacation to New Mexico and, as the Durango Kid, bring Cass and his gang back to justice. But Cass and his gang are killed at the bank in a double cross and Kip must still find the loot. For this, he enlists the help of Tex and Grubstake, although Grubstake does not know it.

Stage line owner Brent has his men robbing Halliday stages and when his manager Waring learns of it, Brent has him killed. Jeff Waring arrives and takes his uncle's job. He soon learns what's happening and the Durango Kid goes into action. This keeps Halliday going and gives them a chance to get the mail contract by winning the stagecoach race.

Steve Holden, a secret service agent, is suspended when his boss becomes suspicious of his activities as The Durango Kid. Can Steve prove his innocence?

In the lawless town of Dusty Gulch, the Durango Kid comes to the aid of Reverend Harding in his fight against Blaze Howard and his henchman. When Durango foils all bad guy's plans, Blaze's boss Doc Weston realizes Cannonball it tipping off Durango. Weston then lets Cannonball overhear false information that will send Durango into a fatal trap.

Jim Stewart comes to Mesa City and buys a ranch from publisher Matt Edwards, who is confined to a wheelchair. The area is terrorized by an outlaw gang known as The Phantoms. When Jim's cattle herd is rustled and his ranch foreman Pop Evans killed, he takes an active hand against the gang in his guise as the Durango Kid.

Outlaws of the Rockies is the fourth of Columbia's revitalized "Durango Kid" series. Charles Starrett is back in the saddle as the masked do-gooder Durango, aka easygoing sheriff Steve Williams. Accused of being a member of an outlaw gang, Williams is forced to don his Durango disguise to bring the actual criminals to justice.

The Durango Kid fights to catch the rustlers who killed an Army officer.