明朝(cháo )成化年(nián )间，朝纲腐败，奸邪当道。西(xī )厂(chǎng )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。时有赵怀安（李连杰 饰）等(děng )流亡剑客挺身而(ér )出，接连铲除东(dōng )厂(chǎng )数(shù )名奸佞，致令阉(yān )贼胆(dǎn )战心惊。适值此时，风头(tóu )正劲的西厂