明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当(dāng )道。西厂(chǎng )东厂为宦官把持，混(hún )淆黑(hēi )白，陷害忠良，朝野内(nèi )外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名(míng )奸佞，致令阉(yān )贼胆战心惊。适值此时，风头正劲的西厂(chǎng )