Police investigators investigate the link between a serial killer's machinations and a teenage boy who committed suicide.
In Part I we see the young would-be swordsman setting out to achieve greatness in war, achieving nothing because fighting on the losing side, & then beginning his long period of wandering & training, with the goal always in mind of his duel with Kojiro. Part II builds toward that great duel on Ganryu Island, with considerable focus on Musashi's planning & forethought as to how to gain an advantage.
Oichi the Blind helps a woman escape the clutches of a high government official to go off with the man she loves. The official puts a reward on her head of fifty gold pieces and soon a menagerie of bounty hunters are after her skin. Three of them band together to accomplish this, one an expert swordsman, another a huge judo master and the third is deadly with a chain. To escape, she heads for the fishing town of Itso but soon comes face to face with Sankuro, the swordsman...
