Shinichi is now a law-abiding citizen, but he used to be a yakuza. He couldn't bring himself to tell his wife Mero, and kept it a secret. Meanwhile, the news is on TV that Sakurai, the boss of a gang that Shinichi had once looked after, has escaped from prison... The media and curious onlookers are swarming the gang's office, and Shinichi, who has now quit his gang, is chosen as their hideout... Taking advantage of Shinichi's absence, Sakurai and his subordinate Hosoda threaten Mero, who happens to be there, and break into the house. And then...