The daily life of a female teacher appears calm and ordinary at first glance. However, behind her back, her husband, an elite teacher who works at the same school, continues to torture her with sadistic sex. Her husband played exam questions to violent students and played with the female students' bodies in return. When the female teacher goes out into the city at night to say goodbye to the ugliness and dirt hidden in her school and husband, she finds human liberation and a new way of life.

Samon, who had left his position as a police constable, embarks on a journey. During his travel, he is attacked by a group of masked bandits and sufferes a deep wound on his way back to Edo at the request of Magistrate Toyama. Saved by Dr. Kazumichi, Samon is asked by Toyama to identify an informant among the members of the lightning gang, a group of cruel thieves wreaking havoc throughout Edo. Samon then becomes an assistant to the firefighter squad led by Naito Hayato-masamune. One night, while rushing to the oil merchant Tambaya, who is attacked by the robbers, Samon and his group discovered a trembling young girl Oso who is the only survivor of the massacre and has lost her voice due to terror.

Samon Kamiyama, a yoriki of the Minami-machi magistrate infiltrates the Denzū-machi prison disguised as Mushuku Sahēji. Samon is mistaken for a snitch and about to be beaten up when he was saved by the quick thinking of a ferryman Sanji. The infiltration is the plan of Samon and chief elder Abe Isenokami, who has asked Samon to obtain smuggling evidence against shipping whole retailers Kawachiya Senemon and his son Sennosuke.

Karasudo, who charges 16 mon for his fortune-telling skill, asks for nothing when it comes to swordplay. His merciless blade is stained with the blood of his enemies when he uncovers a sinister plot and finds that his martial arts skill must be called into action. An unusual and highly entertaining story, about a man not to be trifled with.