明朝(cháo )成化年间，朝纲腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆(xiáo )黑(hēi )白(bái )，陷(xiàn )害忠(zhōng )良，朝野内外噤若(ruò )寒蝉(chán )。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风头正劲的西厂