明朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官(guān )把持，混(hún )淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有(yǒu )赵怀(huái )安（李连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东厂数名(míng )奸佞，致(zhì )令阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂(chǎng )