Vowing to avenge the murder of his closest friend by the infamous Barley gang, Cal Thornton follows the killers across Kansas and the Cimarron Strip, into New Mexico Territory. By his side is Ross Hendrick whose father was shot by the same gang. At Santa Fe they are aided in their quest by the fiery and independent Señorita Martinez. The hunt ends at a ranch in a remote mountain valley, where the Carroway family has been betrayed by their foreman, who sent for the Barley gang to help take over the ranch and turn it into a safe haven for outlaws who are willing to pay. Determined to see the gang’s reign of murder and destruction come to an end, Cal must find a way to rescue two women and a sick old man who are being held prisoner, and stop the Barley gang once and for all.