The fourth installment in the Bosozoku film series starring Koichi Iwaki.

An antique sword exposes tension between three siblings.

After serving time for bank fraud, Kiriko now lives a quiet life as a taxi driver working night shifts... but her peace is shattered by a relentless stalker in a Land Cruiser.

In the midst of a match, Hayato, a successful boxer, has had enough of the sport. He lets himself get knocked out, and quits boxing, leaving his wife and living alone with his mangy dog. One day a young mediocre boxer knocks at the door and wants to be Hayato's apprentice.