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 two friends are looking across the Rio Grande, knowing what they left behind, facing a chance to settle scores, recapture what they lost, and many more ways to die...

A decade after they fought for Texas, Travis and Chase plunge into the brutal madness of the Mexican American War. And amidst the fighting and suffering, they discover how much has changed, what has stayed the same, and that in a furious fight for survival, they've made the most dangerous enemy of all...a murderer fighting on their own side...