明(míng )末崇(chóng )祯年间,长平公主(zhǔ )(🏽)(佘诗曼 饰(shì )(🕋))与(yǔ )(🕟)昭任公(🔱)主跟着周(🍥)后在民间生活,她(tā )们(men )不得随(🏴)意讲起自(💤)己(😧)的(🎾)身世,昭仁时(shí )(🎏)时怀念年(nián )(♑)幼时宫(🚤)中的美(🐿)好(🕔)光景,善良的长平总(zǒng )是变着法子满足姐(jiě )姐打扮(bàn )自(🕌)己的欲(yù )望。长平(píng )在(zài )铸炮(pào )坊重(chóng )遇(yù )幼时(🐶)玩伴周世显(马浚伟 饰),当年周(zhōu )后被(📯)贬(biǎn )的真(zhēn )(⏯)相方才水(❔)落(luò )(💱)石出。母女(㊗)三人获召回宫,世显(xiǎn )亦入宫任(rèn )教。然(㊙)而当下局(jú )势动荡,世(shì )(🍄)显(xiǎn )(⛏)被荐上战场。相(🤲)爱的(⛳)二人无奈(nài )再(zài )次(🤳)分离。李自(🧟)成攻陷(xiàn )京城,明朝灭亡,不久(💹)吴三桂(guì )又引清兵入(🚗)关,大清建立。世显与长平虽然劫后重逢(🚶),如原成婚,然而他们的(de )(🐡)内心,早已抱(bào )(🤥)持了一个(gè )坚定的(de )信念……