雍临领主(zhǔ )孙女(nǚ )贺兰(lán )茗玉自幼聪颖,少年与(yǔ )盛州九皇子(🕸)萧承煦意(🤢)外结识,二人(rén )性情相(xiàng )投,情愫渐(jiàn )生。萧承煦“战死”的消息(xī )误(❣)传,茗(♑)玉为救承(🖲)煦胞弟萧承(👑)轩,被迫嫁与承煦(xù )三哥盛州王萧(xiāo )(🛹)承(chéng )睿,身陷后(🛺)宫。萧(xiāo )承(chéng )煦屡立(lì )战(zhàn )(✖)功助萧承(🖍)睿(ruì )称帝,建立大(dà )晟国,却(què )因(🚢)功高盖主(🚣)遭到(🥁)其猜忌(🚨),加之得知当年(nián )母妃身死(sǐ )、父王传位的真相,承煦决意(yì )篡权复仇。还未得(💪)手(shǒu ),萧承睿却旧疾(🤷)复(fù )(👃)发(fā )溘然(🚻)薨逝,并下(xià )诏令茗(🏯)玉之子萧(🕐)启元(yuán )继(jì )(🚴)位,以牵制(zhì )萧(xiāo )承煦,稳固(gù )朝堂。萧承煦被迫扶持萧启元,却仍一心(xīn )求(qiú )(🐨)娶贺兰(lán )茗玉。与此同(tóng )(💹)时(shí ),启元渐(jiàn )渐长大,不(🐡)满萧承煦的控制,更在旁人挑拨下得(♌)知母亲(qīn )与(🍽)萧(🏃)承煦(🏴)私(sī )情(qíng )(📐),对(🌂)其(qí )(🔙)二(🌱)人心生怨恨。贺兰(🚡)茗玉以大(dà )晟上下安定为重,竭力(lì )在启元和(🐂)萧(👚)承煦(xù )之(👩)间寻求(🤼)平衡。岂料承煦(xù )最终战死,而启(💁)元(yuán )也(⏺)生就(jiù )(🔮)一(yī )(👅)世情痴(🔬),随(🔍)宠妃董若(ruò )萱(xuān )病逝(shì )而去。茗玉为(wéi )了(✒)大晟(🈸)的将来,再(zài )(🕵)一次(🚓)坚(jiān )强陪(♊)伴(bàn )在登基的小皇帝身边。