雍临领主孙女贺(hè )兰茗玉(yù )自幼聪(📒)颖(yǐng ),少年与(yǔ )盛州九皇子萧(🛍)承煦意(yì )外(🤴)结识,二人性情相投,情愫(🔬)渐生。萧承煦“战(zhàn )死”的(⏬)消息(🎏)误(wù )(❣)传,茗玉(yù )为救(jiù )承(chéng )(🖲)煦胞弟萧承轩,被迫嫁与承煦三哥(💆)盛(✳)州王萧承睿,身(🐖)陷后宫。萧承煦(🗑)屡立战(zhàn )功助萧承睿称(🐶)帝,建(🤯)立大(🐖)晟国,却因功高盖主遭到其猜忌(jì ),加(jiā )之得知当年母妃身死(🌊)、(㊗)父王(wáng )传位的(de )真相,承煦决(🙌)意篡权复(fù )(🙄)仇。还(hái )未(wèi )得手(shǒu )(⛓),萧承(chéng )睿却旧疾复发溘(kè )然薨逝(🕙),并下(💠)诏令茗玉(yù )之子萧启(🐀)元继位(wèi ),以(⚾)牵制萧(xiāo )承煦,稳(wěn )固朝堂。萧承煦被(🛎)迫扶持萧(xiāo )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(xù )的控(kòng )制(⏲),更在旁(💏)人(📸)挑拨下(👵)得知(zhī )母亲与萧(🏃)承(chéng )(🔞)煦私情(📐),对(duì )其二(🌱)人心生怨恨。贺兰茗玉(📞)以大(dà )晟上下(xià )安定为(🕕)重(chóng ),竭力(📤)在(🚻)启元(yuán )和(🐂)萧(👚)承煦之(zhī )间寻求平衡(héng )。岂料承煦最终战(🍹)死,而启元(🈺)也生就一世情痴(🔬),随宠妃董若萱(🐌)病逝而(ér )去(👼)。茗玉为了大晟的将来,再(zài )一(yī )次坚(📯)强陪伴在(zài )登基的(🗒)小皇帝(dì )身边。