明朝成(chéng )化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠良(liáng )，朝(cháo )野内外(wài )噤若(ruò )寒蝉。时(shí )有赵怀安（李连杰 饰）等流亡剑客挺身而出(chū )，接(jiē )连铲除东厂数名奸佞，致(zhì )令阉贼胆战心(xīn )惊。适值此时(shí )，风头正劲的西厂