Bon and Yee, a music teacher, where lover originally. However, they depart because of a musunderstanding. One day, they meet again in a concert, will they being together again after those years?
The story begins when Tiarn Tiarn is about to be born. Her father was fighting the demon who has stolen lots of children. Her mother is killed and her father has taken up the fight. Years later, trying, now an adolescent, Tiarn Tiarn and her grandfather battle the demon and try to free her still, demon-possessed father.
Sammo Hung is a poor village orphan called 'Filthy Guy' for his unwashed / diseased head whose ambitious landlord's son becomes king and wants to kill him as a prophecy predicts Sammo Hung will replace him