明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦(huàn )官把持，混淆黑白(bái )，陷害忠(zhōng )良，朝野内外(wài )噤若(ruò )寒蝉。时有赵(zhào )怀安（李连杰 饰）等流(liú )亡剑客挺身而(ér )出，接连铲除(chú )东厂数名奸佞，致令阉贼(zéi )胆(dǎn )战心惊。适值此时，风头正劲(jìn )的西厂