A story of yakuza family from 1999 to 2019. Kenji Yamamoto's (Gou Ayano) dad died from utilizing a stimulant medication. His life fell under desperation. Kenji Yamamoto then joined a criminal activity distribute. There, he fulfills the gang's boss Hiroshi Shibasaki (Hiroshi Tachi). Hiroshi Shibasaki reaches out to Kenji Yamamoto and they created a connection like dad and also kid. As time passes, Kenji Yamamoto has his own family members.