明朝成化(huà )年(nián )间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆黑(hēi )白(bái )，陷害忠良，朝野内外噤若(ruò )寒蝉。时有赵怀(huái )安（李连杰 饰）等流(liú )亡剑客(kè )挺(tǐng )身(shēn )而出，接连铲除东厂数(shù )名(míng )奸佞，致令阉贼胆战心惊。适值此时，风(fēng )头正劲的西厂