雍临领主(🌠)孙女贺兰(lán )茗玉自幼聪(cōng )颖,少(shǎo )年与盛(shèng )州九(jiǔ )皇子萧承煦(🕰)意外(🤴)结识,二(🎗)人性情(🥈)相投,情(🍖)愫渐生(🗼)。萧承(chéng )煦“战(📿)死”的消息误传,茗玉(📼)为(wéi )救承煦胞(bāo )弟(dì )萧承轩,被(🗄)迫嫁与承煦三哥(💆)盛(shèng )州(🔲)王(🥄)萧承睿(ruì )(🏐),身(🐖)陷后宫(gōng )(📞)。萧承煦(🗑)屡立(lì )战功助萧承睿称帝(dì ),建立(lì )大晟国(🔊),却因功高盖主遭(🔩)到其猜忌,加之得知(zhī )当年母妃(fēi )身(🎛)死(🌊)、父(🥎)王传位(🗞)的真相,承煦决意篡(cuàn )权(🌞)复仇。还未(wèi )得手(shǒu ),萧(xiāo )承睿却(⛏)旧(🥫)疾复(fù )(👃)发溘(kè )然(🚻)薨逝,并下诏(👺)令茗玉(🤳)之子萧启元继(🚴)位,以牵制(zhì )萧(xiāo )承煦(xù ),稳(wěn )(❕)固朝堂。萧承(chéng )(🍑)煦(xù )被(bèi )迫扶持萧启元(🈸),却仍一心(xīn )求娶(👪)贺兰茗玉。与此同时(📟),启元渐(jiàn )渐长大,不满萧承煦的控(kòng )制(zhì ),更(🔤)在旁(páng )人挑拨下(👵)得知母亲与萧承煦私情(qíng ),对其二(🌱)人心生(🆙)怨恨(hèn )。贺兰茗玉(📞)以大晟上下安定为(wéi )重(😳),竭(jié )力(lì )在(zài )启元(yuán )和萧(xiāo )承煦(xù )之(zhī )间寻求平衡(héng )。岂料(liào )承煦最(zuì )(🚤)终战死,而启(qǐ )元也(yě )(⏺)生(shēng )就一(👅)世情痴(chī ),随(🔍)宠妃董若萱病(🐱)逝而去。茗玉为了大晟的将(🛃)来(lái ),再一次坚(jiān )强陪伴在登基的(de )小皇帝身边。