After a raid goes awry and his father's life proves to be the price of failure, petty thief Katsumi wants only to start over and live an honest life. But he finds himself in the village of Aratana, a beautiful village haunted by a monstrous past. Forced right back to the thieving he wants desperately to leave behind, Katsumi crosses paths with Kaito, a monk determined to exact revenge on the demon who killed his sister...