雍临领主孙女贺兰(lán )茗玉自幼聪颖,少年与盛州九(😘)皇(huáng )子萧承煦意外结识,二(🎗)人性情相(xiàng )投,情(🍖)愫渐生。萧(xiāo )承煦“战(📿)死”的消息误传,茗玉(📼)为救承煦胞弟萧承轩(xuān ),被(🗄)迫嫁与承煦三(🙍)哥(gē )盛(✳)州王萧(🛹)承睿,身陷后宫。萧承(🥞)煦(xù )屡立(🍮)战功助萧承(chéng )睿称帝,建立大晟国,却(⏺)因(🚢)功(gōng )高盖主遭(zāo )到其(🌚)猜(📯)忌,加(⏯)之得(🖲)知当年母妃(fēi )(🌑)身死、(㊗)父(🥎)王传位的真相(🔝),承煦决意篡(cuàn )权复(fù )仇。还(hái )(🙀)未得(💪)手,萧承睿(ruì )却旧(jiù )疾复发溘然薨(hōng )(🤲)逝(shì )(🕙),并下诏令(lìng )(⛳)茗玉之(zhī )子(zǐ )(🥕)萧启(🐀)元继位,以牵(qiān )制萧承煦(🤘),稳固(💝)朝(💹)堂。萧承煦被迫扶持(chí )萧(🦇)启(😊)元,却仍一心求(qiú )娶贺(🥋)兰茗玉。与此(🚶)同时(📟),启元渐渐长大(💿),不满(mǎn )萧承煦的控制,更在(zài )旁人挑拨下(👵)得知(zhī )母(🥅)亲(🐞)与(🍽)萧承煦(xù )私情(📐),对(🌂)其二人(rén )心生怨恨。贺兰茗玉(yù )以(yǐ )大晟上下安定为重(😳),竭(jié )力(lì )在启元和萧承煦(xù )之间寻求平衡。岂料承(chéng )(🎴)煦最终战死,而启元也生就(🔮)一世(shì )情痴(chī ),随宠妃董若萱病逝而(ér )去。茗玉(yù )为了大晟的将(jiāng )来,再(zài )一次(🚓)坚(📯)强陪伴(bàn )在登基的小(xiǎo )皇帝(dì )身边。