Ryuzo (Tatsuya Fuji) and his 7 former henchmen are all retired yakuza, but they now live as regular old men. One day, Ryuzo becomes the victim of a phishing fraud. He calls his 7 men together to reform their society.
Joseon's top detective Kim Min (Kim Myung-Min) attempts to track down those responsible for circulating massive amounts of counterfeit silver bullion in Joseon. He also tries to find the missing sibling of a young girl.