On Tokushima the mad lord dreams of conquest and forges a bloody revolt against the Tokugawa shogunate.
A mysterious swordsman named Noriyuki Gennojo has crossed Naruto's waters to uncover the Awa clan's secrets.
He puts his life on the line after finding a testament of Awa's secrets, written in blood by a dying man.
Joining Noriyuki is a female ninja who loves him, and the beautiful daughter of an enemy who's sworn to kill him.
Awa's defenders will stop at nothing to prevent the blood-soaked letter from reaching the shogun.