Entrusted with the daughter of a man who meets his death at the hands of a ninja, a gruesome event he witnesses, Chow Hao-Yin (John Zhang) vows to protect the child no matter what. A search for the mother brings even more bad news, as she, too, has been attacked by ninjas. With nowhere else to go, Chow starts anew as a teacher at a fighting school. Aided by a kung fu expert, Master Way (Chin Ka-Lor), Chow sets out to avenge the father's death.