The prominent lawyer Kinya Ohtsuka looks over the case of the falsely indicted man who was sentenced to life imprisonment and then committed suicide while incarcerated. One year ago, the prominent lawyer rebuffed the efforts of Kiriko Yanagida to represent her brother. Kiriko Yanagida now works as a hostess in Tokyo while planning revenge on those responsible for her brother's imprisonment.
Kintaro is a reformed delinquent, the former leader of a biker gang who has gone straight. Working at a construction company, his unorthodox tactics cause trouble with his colleagues. He is transferred to a tiny countryside branch, where he butts heads with his lazy superior until the two men discover a plot by the competition to put the construction company out of bussiness. With the help of his old biker friends, Kintaro prepares to confront the masterminds behind the scheme.
Hotondo is a capable lawyer who is about to marry his girlfriend Mayumi. However, during a trial, Mayumi is involved in an accident and tragically dies. Hotondo investigates the suspicious circumstances surrounding her death, but falls into a mysterious trap and is sentenced to two years in prison. Two years later, Hotondo is released and discovers that the medical corporation Atsumito-kai is involved in Mayumi's death.