明朝成化年间，朝纲(gāng )腐败，奸邪当(dāng )道。西厂东厂为宦官(guān )把持，混(hún )淆黑白，陷害忠良，朝野内(nèi )外噤若(ruò )寒蝉。时有赵(zhào )怀安（李连杰 饰）等(děng )流(liú )亡剑客挺(tǐng )身(shēn )而出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )