明朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把(bǎ )持，混淆黑白，陷害忠(zhōng )良(liáng )，朝(cháo )野内外(wài )噤若寒蝉(chán )。时(shí )有赵怀(huái )安（李连(lián )杰 饰(shì )）等流亡剑客挺身而出，接连铲除东厂数(shù )名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头(tóu )正劲的西厂