While her husband is in prison doing time, Tamaki, the wife of a yakuza capo, runs her spouse’s gang with an iron hand. Meanwhile, Makoto, her younger sister, marries a member of a rival band after being raped by him. The two sisters, united by blood ties but married to enemy yakuzas, will ultimately have to decide whose side they’re on.
Set in the icy wilderness of Hokkaido during the early days of the Meiji era, where the brutal warden of Kabato Prison terrorizes convicts sentenced to forced labor to build the roads needed to open up the territory.
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.
