In Yokosuka, 1986, Ryo Hazuki, the only legitimate heir of the Hazuki Dojo, spends his days training under his strict father Iwao. One day, he returns and witnesses a mysterious man called Lan Di attacking the Dojo.

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.