While her husband is in prison doing time, Tamaki, the wife of a yakuza cap, 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 yakuza, will ultimately have to decide whose side they’re on. Based on a weekly magazine expose written by Japanese journalist Shoko Ieda, who spent nearly a year interviewing many real life Yakuza wives.