Jusei: Last Drop of Blood(2003)

After serving a jail sentence, a former leading yakuza (Takaaki Ishibashi) has gone straight. He has married and is now holding a regular job. However, he is continually harrassed by a police inspector who cannot forgive his past. Meanwhile a major gang war erupts. With his former gang in danger of being exterminated, will his loyalties draw him back in?