Columbia Pictures once again trotted out the old tale of rival stage lines competing for the valuable government mail contract in this routine entry in the long-running Durango Kid series. This time, the Halliday stage line of Quanto Basin is all but forced out of business when old man Halliday (Nolan Leary) finds himself falsely accused of killing Dan Waring (Steve Clark), the manager of the competing Brent line. In reality, Brent (Alan Bridge) has been sabotaging Halliday's efforts to win the contract by having Jim McMasters (Mauritz Hugo) and his hired gunmen perform one hold-up after another. Vociferously disagreeing with these methods, Waring was shot by McMasters, who then framed Halliday. Enter Waring's nephew Jeff (Charles Starrett) and his young friend Tex Harding, who quickly side with Halliday's daughter Mary (Carole Mathews) and the only driver left in the company, Cannonball (Dub Taylor). Donning the disguise of noted avenger The Durango Kid, Jeff gets the goods on Brent, who subsequently loses the deciding stagecoach race for the contract. McMasters is revealed as the killer, and Jeff leaves Quanto Basin in the capable hands of Mary Halliday and young Tex.