雍临领主孙女贺兰(lán )(⛲)茗玉自幼(yòu )聪颖,少年与盛(🃏)州(zhōu )九皇子(🕸)萧(🛍)承(chéng )(🔱)煦意外结(🍥)识,二人性(xìng )情相投,情愫渐生。萧(🥩)承煦(xù )“战死”的(⏬)消息(🎏)误(wù )传,茗玉为救(jiù )承煦(xù )胞弟萧承轩,被(🗄)迫(🛍)嫁(🎡)与承煦三哥(💆)盛州王萧承睿,身(shēn )(🐖)陷后宫(📞)。萧承(chéng )煦(🗑)屡(😚)立战功助萧承睿称(chēng )帝,建立(lì )大晟(shèng )国,却因功高盖主遭到其猜忌,加(⏯)之得知当年母(🦗)妃(🌑)身(shēn )死、父王传位的真相,承煦决(jué )(🙌)意(🤠)篡权复仇(chóu )。还(hái )未得(💪)手(⛓),萧承睿却旧疾复(👃)发(fā )(🧤)溘(kè )然薨逝,并下诏(zhào )令茗玉之子(🥕)萧启元继位(wèi )(🧣),以牵制萧承煦(xù )(🤘),稳固(💝)朝堂。萧承(chéng )煦被迫扶持萧启元,却仍(🐛)一心求娶贺(hè )兰茗玉。与(🌼)此同时,启元渐渐长大(💿),不满(🈺)萧承煦的控制,更(🔤)在旁人挑(🥤)拨下得知母亲与(🍽)萧承煦私情,对其(🔙)二人心(🐖)生怨恨。贺兰(lán )茗(míng )玉以大晟(🚽)上(shàng )下安定为(wéi )重,竭力在启元和萧承(chéng )(🛃)煦之(zhī )间寻(xún )(💅)求(🤼)平衡。岂料(liào )承煦最终(zhōng )战死,而启(💁)元(🈺)也生就(🔮)一世情(qíng )痴,随宠妃董若萱病逝(🖱)而(ér )去。茗玉(yù )为了大(dà )晟(shèng )的将来,再一(yī )次坚(jiān )(📯)强(qiáng )陪(péi )伴(bàn )在登基的小(xiǎo )皇帝身边。