Kakunoshin, renowned for his skills with a sword and in the game of go, embodies the samurai code. Falsely accused of a theft, he is forced to become a lowly ronin. Years later, when a case of missing gold pulls him into a new web of intrigue, Kakunoshin uncovers the truth behind his downfall. With the real culprit exposed, the go board flips, and a hellstorm of righteous vengeance follows.