明朝成化年(nián )间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡(wáng )剑客(kè )挺身(shēn )而(ér )出，接连铲除(chú )东(dōng )厂数(shù )名奸佞，致令阉贼胆战心(xīn )惊。适值(zhí )此时，风头正劲的西厂