明代孝宗年间,施家镇出现扶桑鬼王(左颂升 饰)危害人间,并霸占美女施施(王祖贤 饰)为爱姬。鬼王伤害性命无数,惹得天怒人怨,皇上任命正直武官马尚峰(成奎安 饰)捉拿鬼王。正当愁眉不展之际,师爷向马举荐身怀绝技的草芦居士(林正英 饰)帮忙,却得知为除鬼王需牺牲自己的性命。马愤愤返回,草芦居士设计令马尚峰假死,使其化为金甲武士与徒弟(黄一山 饰)担任自己的左右护卫。师徒三人与鬼王展开艰苦鏖战,却由此导致天地玄门大开,正邪双方穿越时空,来至现代。在这里,师徒三人各自遭遇不同的蹊跷趣事。偶然机会,草芦居士发现酷似施施的女医生Gigi。绵延数百年的正邪大战将再次展开……Lam Ching Ying, along with his two assistants attempt to dispel an evil Japanese spirit who haunts the woods. CiCi,a woman who is kidnapped by the evil spirit and forced to marry. As a result she turns evil. The three good guys try to vanquish the evil spirits and end up in modern day Hong Kong.