明(míng )朝成化年间，朝(cháo )纲腐败，奸邪(xié )当道。西(xī )厂(chǎng )东厂为宦官把持，混淆黑(hēi )白，陷(xiàn )害忠(zhōng )良，朝野内外噤若(ruò )寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除(chú )东厂数名奸佞，致令阉贼(zéi )胆战心惊。适值此时，风头正劲(jìn )的西厂