中国功夫博大精深，在这部电影之前，大极拳未曾被搬上银幕。编剧倪匡一反常人以为太极拳只是强身健体的拳法，正式将它的攻击威力展现出来。年青工人顾定，是太极高手，被恶霸金大盛所欺，一直默默忍受，金又夺去他的爱人阿宝一命，他也忍辱负重，最后，师父和好友胡炳连都惨死他的利刃下，他忍无可忍，被逼出手。电影上映时，惹来一阵哄动，因男主角陈沃夫是太极高手，完成此片后，突然暴毙，太极拳成为他的最后遗作，令人惋惜。

Chen Wo-Fu speelt bouwvakker Ku Ting, wiens vaardigheid in 'tai chi' (schaduwboksen) net zo groot is als zijn pacifisme. Maar wanneer zijn vriendin wordt verkracht door gangsters, laat hij iedereen de ware kracht en schoonheid van tai chi zien.

Chen Wo-Fu plays construction worker Ku Ting, whose skill at "tai chi" (shadow boxing) is as great as his pacifism. But when his girlfriend is raped by vicious gangsters, he shows everyone the true power and beauty of tai chi.