Ryo Hazuki is an 18-year old high school teenager who lives in Yokosuka, Japan. Since losing his mother at a young age, his father has taught him the Hazuki style martial arts at the Hazuki Dojo. One day his father is murdered by Lan Di, a mysterious man. This event begins Ryo’s journey to uncover the mystery of his father’s death. Ryo has a strong will and his determination to avenge his father never wavers. On his journey, he encounters many conflicts due to his recklessness. Despite this, he meets many who assist and teach him to improve himself.