Tras ser testigo del asesinato de su padre, Ryo recibe una carta que puede contener pistas, pero está escrita en chino y es casi indescifrable.

Ryo tiene que enfrentarse a Guizhang si quiere desbaratar los planes de los Mad Angels tras haber secuestrado a Harasaki.

Tras muchos problemas, Ryo consigue llegar a Hong Kong, pero allí solo encontrará problemas y hostilidad por parte de los locales.

Ryo and Ren successfully sneak into the Yellow Heads' headquarters to rescue Yuanda Zhu. But the Yellow Heads all knew about their plan to sneak in. Surrounded by their enemies, the two fight Yuan who is one of the leaders of Yellow Heads.

Ryo finally reaches Lan Di, the man who murdered his Father. Blinded by revenge Ryo viciously attacks Lan Di. Lan Di easily dodges Ryo's attacks and leaves. Yellow Heads' Dou Niu realizes his plan has failed and attacks Ryo.