Imo samurai: Kani uemon

A shikakenin was an under-the-cover trade that undertook killing in Edo. Hanemon of Otowa, an agency that introduced laborers and maids, was also one of these. Katsugoro Iseya was a timber dealer who had come in as a client. His target was the constructions magistrate Hanno, and the Tatsumiya who sipped on the benefits. Hanemon who had a stong code towards killing, where he would only kill those who do no good to be in the world, accepts this request. Baian Fujieda, a needle doctor would carry out the killing. However, the professional killer Baian fails to bring down Tatsumiya. Hanemon then looks to another shikakenin, the ronin Sanai Nishimura for the role. Although Sanai's ability with the sword is good, he lives poorly in a tenement, and accepts this commission on the condition that it is kept a secret from his wife and child. Here, they close in on Hanno and Tatsumiya again...

A ship is attacked at sea for its cargo by a group of thieves who murder a newlywed doctor and rape his wife. Three years later her twin sister is kidnapped by the same pirates, who begin to die strange deaths...

After serving his sentence, Yakuza family member Toshin-gumi Umebayashi is released from prison. Toshin-gumi was already headed by the boss in the second generation of Shotaro, but Shotaro fell into a trap, he is manipulated by his sworn enemy Kanzaki-gumi. Kanzaki-gumi captures the Toshin-gumi oil fields mined by the first boss. Umebayashi explodes in anger and attacks Kanzaki-gumi, but...

Fourth sequel to "Story of Second Class Private".