明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野(yě )内外噤若(ruò )寒蝉。时(shí )有赵(zhào )怀安(ān )（李连杰 饰）等流亡剑客挺身而出，接(jiē )连铲除东(dōng )厂数名奸(jiān )佞，致令阉(yān )贼胆战心惊。适值此时，风头(tóu )正劲的(de )西厂