明朝(cháo )成(chéng )化年间，朝(cháo )纲(gāng )腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀安（李(lǐ )连(lián )杰(jié ) 饰）等流(liú )亡剑客挺身而(ér )出，接连铲除东厂数名(míng )奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂