A King Boxer named Chow (Meng Fei) visits a friend in Thailand. She introduces him to her boyfriend, who’s a Thai boxer. Chow saves the Thai boxer from some thugs and the two become friends. Chow teaches him the knife style. Meanwhile back in China, Chow’s brother and sister look after his kung fu school. A Japanese martial artist (Kurata) visits the school looking for Chow. Kurata fights and beats his brother instead and develops strong liking for Chow’s sister. Chow returns to China and has to defend his school’s honor against Kurata.

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?

Reckless police inspector Sai Gau (Zhang Jin) is on a mission to crack down on criminal Shing’s (Shawn Yue) gold smuggling scheme, yet fails to arrest him. As Sai Gau continues his manhunt, he discovers Shing’s involvement with triad boss Blackie (Yasuaki Kurata), who hides on a casino cruise ship on the high seas. Shing has been involved in a power struggle within the smuggling ring, and is forced to kill his adopted father. He also loses his share of gold smuggling to Blackie. To get even, Shing appears on the cruise, while Sai Gau is there to hunt for him.