Taciturn Kakunoshin, renowned for his formidable skills both with a sword and in the game of go, embodies the purest ideals of the samurai code. But when his unwavering honesty is exploited, he is framed by his own clan for a theft he did not commit. Disgraced and forced to become a ronin, he survives as a humble seal maker, quietly supporting his grown daughter while burying the wounds of betrayal. Years later, when a case of missing gold pulls him into a new web of intrigue, Kakunoshin finally uncovers the truth behind his long-buried downfall. With the real culprit exposed, the restraint that once defined him shatters. The go board flips, and a hellstorm of righteous vengeance follows.