A female detective realises that the construction company corruption case was not guilty... there was an evil mastermind behind it!

Former F1 driver Sawamura (Koichi Iwaki) has been immersed in the underworld of Yokohama alongside his partner Moriguchi (Takashi Fuji) ever since he lost his lawyer parents in a yakuza turf war. One day, he receives a contract to assassinate a high-ranking executive of the Seiryu-kai, a major organized crime syndicate.
Sawamura successfully completes the job, but an assassin’s hand blocks their path. Behind the job lay a succession battle centered on Seiryukai executive Kajimoto (Minori Terada). With Moriguchi and his benefactor both killed, Sawamura swears revenge against Kajimoto’s faction.

A woman named Fujiki Asuka arrives as an acquaintance of a sister in law for a day under the bar master Tamura who had guided Yakuza's escaping as a shoji. Tamura who lives on the second floor of the store for the time being the son who wants to work here. A few days later, Tamura finds a handgun from Yuko's baggage and holds a suspicion.