明(míng )朝成化年(nián )间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡(wáng )剑客挺(tǐng )身而出(chū )，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值(zhí )此时，风头正劲(jìn )的西厂