明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当(dāng )道。西厂东(dōng )厂为宦官把持，混(hún )淆黑(hēi )白，陷害忠(zhōng )良，朝野内(nèi )外噤若寒蝉(chán )。时有赵怀(huái )安（李(lǐ )连杰 饰(shì )）等流亡剑客挺身而(ér )出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲(jìn )的西厂