明朝成化年间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官(guān )把持，混(hún )淆黑白，陷害忠良，朝野(yě )内外噤若(ruò )寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡(wáng )剑(jiàn )客(kè )挺身而出，接连铲除东厂数名(míng )奸佞，致令(lìng )阉贼胆战心惊。适值(zhí )此时，风(fēng )头正劲的西厂