明(míng )朝成化年(nián )间，朝(cháo )纲腐败，奸邪当道。西(xī )厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵(zhào )怀(huái )安（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂数(shù )名(míng )奸(jiān )佞，致令(lìng )阉贼胆战心惊。适值(zhí )此时，风头正劲的西厂