In a distant future where civilization has crumbled and remnants of ancient technology linger as myth, a young man is raised within a guild dedicated to torture and execution. Trained to be devoid of compassion, one moment of mercy causes him to break a sacred rule, leading to his exile from the only home he's ever known. Carrying a legendary sword and haunted by memories of his transgression, he embarks on a perilous journey through decaying cities...