A young man vows revenge against the killers of his father. To do this, he must train with his father's teacher who teaches him the "Shadow Claw", a deadly combination of the eagle claw and shadow fist.

A martial arts fighter, haunted by his past, takes a job as a dock worker in a small village. His vow never to fight again is tested by the cruel owner of the pier.

古怪功夫大师，嗜好喝酒，经常命令徒弟做些杂事，然而当武林遭遇险境时，情况变得出人意料…

享誉武林的醉拳分南北两派。北派代表人物是沧州的千醉翁，他将醉拳和螳螂拳相结合，创出一套新的拳法——“醉螳螂”。千醉翁为人心狠手辣，他苦练创新的目的并非强身健体除暴安良，沿袭武学精神，而是想要称霸武林。为了证明北醉拳的功力天下第一，千醉翁带着徒弟来到南方寻找南醉拳苏花子一决高下。
但苏花子整年云游在外，神龙见首不见尾，要想找到他并非易事。恰巧此刻苏花子刚好回到家中，见到了老伴收养的义子苏蒙。苏蒙为人忠厚老实、心地善良，一心想向苏花子学习醉拳。但苏花子见他并非习武奇才，不愿传授。为了磨练苏蒙，苏花子使出许多奇怪的训练招数让苏蒙苦不堪言。苏蒙认为苏花子不喜欢自己，便不辞而别到酒楼中当起了伙计。
苏蒙遇到了住在酒楼里的千醉翁，并被他的徒弟侮辱。苏蒙回到家中把此事转告苏花子，苏花子明白千醉翁的来意，便来到酒楼与千醉翁比武，被千醉翁的“醉螳螂”打成重伤。
苏蒙在为苏花子抓药途中遇到了苏花子的师弟病君，并开始瞒着苏花子和病君学习拳法。经过病君的指点，苏蒙在练习醉拳的基础上，加入了病拳的精髓，经过刻苦练习，苏蒙的拳法有了显著提高。
苏花子病情好转，他感觉到苏蒙每日早出晚归必定有什么事情在瞒着他，于是跟踪苏蒙想探个究竟。但刚到病君家门外，便遇到了想要来斩草除根的千醉翁，两人再次过招，苏花子仍不敌千醉翁，艰难应战。此时苏蒙及时出现，他和千醉翁摆开阵势，面对千醉翁的独门武功醉螳螂，苏蒙将病拳和醉拳结合并发挥到极致，战胜了千醉翁。苏蒙终于扬眉吐气，学有所成。

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?

Two elderly Taoist priests, Chi Men and Dun Jai, who learn their magic from the same teacher always quarrel with each other. They provide mirth and expert kung fu tuition to young man who is mistakenly presumed to be the crown prince of the Imperial Court, missing since childhood. The emperor dispatches an eunuch with the magic powers to apprehend the young man. But he must first deal with Chi Men and Dun Jia who are the young man's protector.