Blackstone, Wyoming, belongs to King Charles Hagen. The rancher bought land, built businesses, and employs most of the townsfolk. Unfortunately Sheriff Buck Trammel is not on His Majesty's payroll. The lawdog won't be tamed or trained to accept King's position as master of the territory, but neither will he threaten his empire.

Adam Hagen, King's oldest son, is vying to take control of his father's violent empire in Blackstone. Sidling up with the notorious criminal Lucien Clay, Adam is adding professional gunmen to his gang of murderous hired guns who perform his dirty deeds without question. But moving against his father means crossing paths with his former friend Buck--the man who once saved Adam's life.

A civil war is coming to Blackstone. And when gunsmoke clears, Buck Trammel is determined to be the last man standing...