Ryuzo 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.

Sakai is a city near Osaka by the bay famous for its swords in the old days and kitchen knives today. Norio is an antique dealer in the city. Sasuke is a potter in the city. Seventeenth century tea master Sen No Rikyu appears before them one day.