20-year-old Naoki was caught up in juvenile delinquency in Japan. A failure at school, work and in his personal life, Naoki had turned to a life of petty crime. His mother, following a friend’s advice and wanting to structure his life, decides to hand him over to the Japanese mafia for a year. We follow his initiation. For the first time a window is opened on the secret world of the yakuza, bringing us beyond the preconceived ideas of the feared organization.