A request is made for Ryo by a woman to track down her future sister-in-law named Sakura, a girl who is involved with a biker gang. Currently, the woman's husband, Sakura's older brother has been kidnapped for some counterfeit currency plates he crea... (more)ted and which Sakura has secretly hidden. Ryo also realizes that Umibozu has been hired by the men looking for the plates.