Sasuke is the son of a very skilled ninja, whose name is Ozaru. After the defeat of their lord, Yukimura Sanada, Tokugawa's and Hattori's ninjas begin to persecute all their enemies still alive: that means Ozaru and Sasuke must leave their house and start a violent struggle for their own life. Danger, vengeance, anger, loyalty, pain are the basic elements of this story, where the worst aspects of the human soul are d...