Bent on revenge, a traumatized ex-police officer must infiltrate a yakuza organization by befriending one of the group's most unhinged members.
Nakatsu was laid off at his company and now works part-time at a convenience store. One day, Nakatsu forms a vigilante group to protect his town with Toshida, who has a mysterious physical ability, Kanari, who is a female high school student with excellent information gathering abilities, and Kusaki, who wields hammers under his sleeves. As they punish evil doers, the group gains popular support and flourish.
Based on a manga written by Tatsuhiko Yamagami, the story is set in a former seaport town Uobuka, where 6 former criminals were sent to live there by the government, with the intention of re-socialising them. Aside from the few who know about the project, the general townsfolk has no idea of the former convicts' identities. Tsukisue is the pleasant and efficient municipal official put in charge of the programme. As he slowly learns about their past, a body is discovered.
