明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持(chí )，混(hún )淆(xiáo )黑白(bái )，陷(xiàn )害忠(zhōng )良，朝野(yě )内(nèi )外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值(zhí )此时(shí )，风头(tóu )正劲的西厂