When an old friend's family is massacred, legendary mountain man Smoke Jensen hits the vengeance trail. He's soon riding into a bloody Colorado war that has militia cavalry volunteers and Kiowa warriors stalking each other across the territory - matching kill for kill, outrage for outrage. Defying both sides, Smoke uncovers a sinister conspiracy to set ranchers and Kiowa at each other's throats.

"A saga of loyalty and survival in the vast, severe American West. Irish immigrant brothers Michael and Thomas O'Driscoll have returned from the brutal front lines of the Civil War. Unable to adapt to life as farm laborers, they reenlist in the army and are thrown into ferocious combat with Red Cloud's coalition of Indian tribes in the heart of Montana's Powder River Valley. Thomas finds love amidst the daily carnage--which leads to a moment of violence...