One of the most popular history-based characters is back when Magistrate Saemonojo Toyama no Kinsan investigates the tragic shipwreck of the 'Sadomaru' near Cape Kasumigaseki. The ship carrying gold bars from Sado Island to Edo for the shogunate disappeared into the ocean on a day with clear skies and no wind. While it is conveniently blamed on a surprise tornado or whirlwind, the Sado Magistrate asks his lifelong friend Magistrate Toyama to get to the root of the mystery in order to save his reputation and avoid a life of shame.

A Tokugawa Daimyo rebels against an his lord after the battle of Sekigahara. Samurai Matabei, a famous spear fighter and warrior, is a vassal of lord Honjo. One of Honjo's most trusted under-lords is Sanzaemon. He has designs on Matabei's fief, and he plots to kill Matabei. He finally convinces Lord Honjo of Matabei's guilt. Now Matabei must fight to survive.