This film is about a group of Texas Rangers set in the post-American Civil War era.
After McNelly and his men pursue Fisher for a while, they fall into a trap, where many of the young and ill-trained rangers are killed. Defeated and low on morale the men fall back to a ranch house and attempt to set up an ambush for Fisher. After being double crossed by a mexican woman (perhaps unwittingly) the rangers remain one step behind Fisher and his men. Two of the rangers follow Fisher and his men to the Mexican border, where they wait for the rest of their company. Once the entire Ranger company arrives at the Mexican border they plan their final attack. In a final gun slinging show down the Rangers face off against Fisher and his men.