Travis Ross and Chase McAlister were infamous Indian hunters, scouts, and Texas Rangers turned ranchers. In a war of independence, they fought against desperate odds. Travis lost a woman, the daughter of a proud Mexican rancher, and both made the kind of enemies that never go away. Now, a new war is brewing and the friends are looking across the Rio Grande, knowing what they left behind, facing a chance to settle scores and recapture what they've lost - if they live. A decade after they fought for Texas, Travis and Chase plunge into the brutal madness of the Mexican American War. Amid the fighting and suffering, they discover how much has changed, how much has remained the same, and that in the furious fight for survival they've made the most dangerous enemy of all - a murderer fighting on their side!