Hazuki Family's maid Ine hands a letter to Ryo, who is restless from his Father's death. The letter was sent from a person named "Yuanda Zhu" to his father which contained characters he cannot read.

To chase Lan Di, Ryo decides to go to Hong Kong, but realizes he does not have enough money to go. With Goro's assistance Ryo gets a part-time job, which he soon learns is in Mad Angel's territory.

To unveil the truth behind his Father's death, Ryo heads to Hong Kong, looking for a person named "Lishao Tao". His bags are taken as many thugs and thieves walk the streets of Hong Kong since everyone is desperate to survive day by day.

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.