[Period covered: 1614-1615] Tokugawa Ieyasu is now the ruler of all Japan. But one last loose thread must be tied up before his domination is complete -- the destruction of the Toyotomi clan, now beseiged in Osaka castle. Ieyasu's ninja are the only ones who can penetrate the fortress, but unfortunately for Ieyasu, Kirigakure Saizo and the other Toyotomi ninja can just as easily get out. As armies of samurai maneuver for battle, the fate of the nation will be decided by a desperate struggle in the dark!
Ichi is staying at an inn when a woman dies. Her dying wish is that Ichi take her son to his father, an artist living in a nearby town. After arriving in the town, Ichi finds out that the father has been forced by a local boss to create illegal pornography to pay off his gambling debts. Ichi makes it his mission to save the man and reunite the family, even though it brings him into conflict with a samurai he sort of befriended on his way to the town.
At a seaside city somewhere in the Tohoku area, the corpses of Nozomi, daughter of an affluent family, and Yamazaki, son of an engineer at the local nuclear power-plant, are found tied-to on a beach, as if they intended to commit double suicide. Nogami, a reporter, begins to investigate.
