Rynning and Travis assist the Mexican Rurales hunt down the remnants of an army of bandits who sought to overthrow the government. During the chase, one of the outlaws is killed by the border patrol and incorrectly identified as the movement's commander, Romero. Meanwhile, the erstwhile leader assumes the identity of a poor peon and goes in search of the loot from a train robbery hidden nearly ten years earlier.

During an election campaign for the office of Sheriff of Globe, Arizona, a crooked drifter plots to embarrass the incumbent by bringing in an "escaped" prisoner he took from Ranger Clint Travis' custody the day before the election. To make his election more likely, his gang robs the town's express office and shooting the Sheriff's leading advocate while Harding is out of town helping the Rangers locate their escaped prisoner.