天无门主呼伦法师(张道饰)苦练「子阴毒功」有意称霸天下，作法取童子尿与胎盘，以供练功，手段残酷。高生(袁日初饰)乃阴阳堂弟子，无意中闯进禁地，发现「阴阳分元大法」秘籍，乃暗中偷练，但因根基浅薄，弄得魂

A young man must face the challenge of his life by battling against an evil who is out to eliminate