Callum Logan is a man of quick decision and execution. His fast gun has saved him on more than one occasion. Though hardened by the horrors of the Civil War, he gives each man a chance, unless they prove it's undeserved. Now, on his way to begin a new life in the Colorado West, he's eager to put the killing behind him. But while rescuing a family from despicable outlaws, he is forced to kill the leader of the small band, putting himself in direct conflict with the outlaw's brother, Elwood Wister, whose gang has become the scourge of Southwest Colorado. Can Callum's quick thinking and determination help him survive his greatest challenge yet? Is he ready for another battle? Will Wister succeed in executing his brutal plan to take revenge?