Wong Wing-Tat

After suffering life changing injuries in the line of duty, bomb disposal officer Fung turns his back on the police. But when a devastating series of bombings sweep Hong Kong, the police suspect their former ally may be involved after he is found unconscious at a crime scene. Now faced with memory loss and recalling only fragments of his former life, Fung sets out to uncover the truth and find out who he really is.

Mari Hirakawa is a woman who inherits her father's karate dojo. However, she finds out that Chan Keung, her father's former student, is also its heir and they fight to determine its sole owner.