明朝成(chéng )化年间，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(cháo )野内外(wài )噤若(ruò )寒(hán )蝉。时有赵怀(huái )安（李连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数(shù )名奸佞，致令阉贼胆战心(xīn )惊。适值(zhí )此时，风(fēng )头正劲的西厂