明朝成化年(nián )间，朝纲腐败，奸邪当道。西厂东厂为宦官把持(chí )，混(hún )淆黑白，陷(xiàn )害忠良，朝(cháo )野(yě )内外噤若寒蝉。时(shí )有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂(chǎng )数(shù )名奸(jiān )佞，致(zhì )令阉贼胆战心惊。适值此时，风头正(zhèng )劲的西厂