With his village destroyed and his sister dead, Hachiro forsakes his principled code and sets off down a dark path of revenge. Book 4 begins a new era as the Kage abandons expectations for the future and embraces the only idea that gives his life meaning - vengeance.
As Hachiro recovers from the ambush laid by Eichi and The Red Hand, new allies help him to heal and unravel the truth about the events that led up to the betrayal at his village. Including the roles played by his former samurai brother's and fate of his mentor, Kioshi.