明朝成化(huà )年间，朝(cháo )纲腐败，奸邪当道。西(xī )厂东厂为宦官把持，混淆黑(hēi )白，陷害忠良，朝(cháo )野内外(wài )噤若寒(hán )蝉。时有赵(zhào )怀安（李连杰 饰(shì )）等流亡剑(jiàn )客(kè )挺(tǐng )身而出，接连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊。适(shì )值此时，风头(tóu )正劲的西厂