The Kanto Doshikai, known for its prominent yakuza members, discovers a prohibited drug deal taking place within its territory. Sakaki (Sho Aikawa), the third-generation leader of the Kurotetsu Union, sets his sights on the Hayakaba-gumi, which operates at Daikoku Pier, and sends Left (Hideo Nakano) and his team, "Chains," to investigate the drug route. Disguised as a money counterfeiter, Left infiltrates the gang but becomes entangled in an internal conflict. As Left goes missing after being shot, the "Chains" are thrown into disarray. What decision will Sakaki ultimately make...?