Mountain man and army scout Jacob Utah is called to guide a cavalry patrol across the harsh, relentless Arizona Territory. The purpose of the mission is a secret, known only to the soldiers.
That suits Utah just fine, until the seemingly simple job takes a deadly turn. A mysterious sharpshooter begins shadowing the patrol, killing the soldiers one-by-one.
Utah soon discovers the men he rides with are not what they seem, that they have a dark history which is coming back to haunt them.
With fierce Apaches on the warpath and a sadistic gunman doggedly pursuing them at every turn, Utah must lead his dubious companions through scorching desert sands, treacherous canyons, and narrow mountain passes to reach an abandoned outpost at a place called Apache Butte, where old scores will be settled, and blood will be spilt…