雍临领主孙女贺兰茗(míng )玉(yù )自幼聪颖,少年与盛(shèng )(🃏)州(zhōu )(🕋)九皇子萧承(chéng )煦意外(wài )结识,二人性情相(xiàng )投,情愫(sù )渐(jiàn )(🏴)生。萧承(chéng )煦“战(📿)死(sǐ )”的消息误传,茗玉(yù )为救承(chéng )煦胞弟萧承轩,被迫嫁与承(chéng )煦(xù )三哥盛州王萧(🛹)承(🚉)睿,身(shēn )陷后宫。萧承煦屡(😚)立战(✖)功助萧承(🖍)睿称帝,建立大(dà )晟(🤷)国,却因(yīn )(🚢)功高盖主遭到(dào )其(🌚)猜(cāi )忌,加之得(dé )知当年(💱)母妃身死、父王传位的真相(🔝),承煦决意篡权复仇。还未得手,萧承睿却旧疾(jí )(🤷)复发(🧤)溘然薨逝(🕙),并下诏(👺)令茗(🏯)玉之(🎋)子萧(🕐)启(🐀)元继位,以(⚾)牵制萧(👣)承煦,稳固(💝)朝堂。萧承煦(xù )被迫扶持萧(xiāo )启元,却(🏻)仍(réng )一心求(qiú )娶(👪)贺兰茗(🃏)玉。与此同时,启(💯)元渐(jiàn )渐长大,不(bú )满(🈺)萧承煦(xù )的控(kòng )制,更在(zài )旁人挑拨下得(dé )(♌)知母亲与萧(🏃)承煦私情(qíng )(📐),对其二(🌱)人心生怨恨。贺兰茗玉(📞)以(⏳)大晟(shèng )上下安定为重,竭力(📤)在(zài )启元和萧(👚)承煦之(zhī )间(jiān )寻求平衡。岂料承煦最终(🚩)战(🍹)死,而(❄)启元(🈺)也生就一世情(qíng )(🐈)痴,随宠(chǒng )(🌲)妃(💕)董若(ruò )萱病逝而(ér )去(qù )。茗玉为了大晟的将来,再一(🎞)次(🚓)坚强陪(♊)伴(bàn )在登基的小(xiǎo )皇帝身边。