Adapted from Ikebo Shotaro's novel of the same name. During the reign of the 10th generation of Tokugawa generals, the shogunate Yoshiji Nakata (played by Tetsuro Danbo) was in power, and the social pattern was turbulent and chaotic. At that time, the Edo folk profession called "Dark Hunter" quietly sprang up, and they were hired to kill their employer's opponents. The constant number of assassinations made many enemies nervous. Five Qing and Bingwei (Nakadai Tatsuya is acted the role of) on the surface is inherited from the ancestral business of the businessman, in fact, it is the leader of a number of dark hunters. One night, the one-eyed ronin Mitaro Tanegawa (Yoshio Harada) cuts five rival gang leaders, and thus becomes five bodyguards. And it was the arrival of Mi Taro that set off a bloodbath in the killer society that was originally surging in the undercurrent.