THE PRODIGAL BOXER features Chinese folk hero Fong Sai Yuk (aka Fong Si Yu), the subject of dozens of HK kung fu films. The role is played by Meng Fei as a callow, unschooled youth and wrongfully accused murderer. Two vicious masters of the local kung fu school, seeking revenge against Fong Sai Yuk, attack his home and kill his father while Fong is away. Fong’s attempts to avenge the death of his father result in his being badly beaten. Fong trains at the hands of his martial artist mother as she puts him through rigorous training and an herbal bath that makes him invulnerable. A trail of revenge is set in motion with Fong against the two masters, played by formidable kung fu villains Yasuaki Kurata and Wang Ching. Can a year's worth of training prepare Fong Sai Yuk for his deadly confrontation with the vicious masters?

After her father, Golden Rings, is killed by the Deadly Blade, the Moon Goddess sends out invitations to all the top fighters in the region to try and lure out the Deadly Blade and force him to kill his own son. However, things do not go according to plan.

A masked mastermind named The Owl holds an exclusive auction every year, selling special slaves and rare objects of art. One of the customers requests that he obtain the 36th wife of the emperor, for the next auction. The Owl agrees and arranges for the woman to be kidnapped. The emperor sends a messenge to a trusted royal guard, assigning him the task of rescuing his wife. Unfortunately the guard has died, but his son, David Chiang, takes the assignment. He hunts up two of his father's friends for assistance. They have both retired, but their sons, Barry Chan and Eric Tsang, agree to help out. So David, Barry, and Eric go forward on their quest to rescue the woman and unmask The Owl.