明朝成化年(nián )间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把(bǎ )持，混淆黑白，陷害忠(zhōng )良，朝野内外噤若寒(hán )蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除(chú )东厂数名奸(jiān )佞，致令(lìng )阉贼胆战心惊(jīng )。适值(zhí )此时，风头正劲的西厂