In 1995, Kiryu and his friends Nishiki, Yumi and Miho want to escape their oppressive lives and plan a robbery at a local arcade. However, the arcade is controlled by the Dojima family, a powerful yakuza organization that rules the Kamurocho district. Meanwhile, Kiryu is released from prison in 2005. He learns from police detective Date that his friends are in danger and decides to return to Kamurocho to protect them. However, their friendship has deteriorated as tensions between different factions have reached a boiling point.