明朝成化(huà )年间，朝纲腐败，奸邪当道。西厂东厂为宦(huàn )官把持，混淆黑白，陷(xiàn )害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀安（李连杰 饰）等流亡(wáng )剑客挺(tǐng )身(shēn )而(ér )出，接(jiē )连铲除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值(zhí )此时，风头正(zhèng )劲的西厂