明朝成化年(nián )间，朝(cháo )纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持(chí )，混(hún )淆黑(hēi )白，陷害(hài )忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连(lián )铲除东厂数(shù )名奸佞，致令阉贼(zéi )胆战心(xīn )惊。适值此时，风头正劲的西(xī )厂