When Grotton's boys bushwhacked the herd, they had one grim order: leave no witnesses alive. For justice was rough on the untamed plains of Kansas, and cattle-stealing was a hanging charge. But two men survived the massacre. Rem McAllister was one of them, and seeing his fellow cowpokes die had turned him into a ruthless killing-machine. So as soon as the rustlers realized he was alive and on the loose, another order went out: Kill McAllister — before he kills all of us!