雍临领主孙(sūn )(👷)女贺兰茗玉(🐽)自幼聪颖,少(shǎo )年与盛(🃏)州九皇子萧承煦意(🤢)外结识,二人性情相投,情愫渐生。萧(🥩)承煦“战死”的消(🎲)息误传,茗玉为(😎)救承煦胞弟(dì )萧承轩,被迫嫁与(yǔ )承(🕯)煦(xù )三(sān )哥(gē )(💆)盛(✳)州王(wáng )萧承(🚉)睿,身陷(🕌)后宫。萧承煦屡立战(zhàn )功(gōng )助(😻)萧承睿称帝,建(🤯)立大晟国,却因(🚢)功(🌙)高(gāo )盖主遭到(dào )其(🌚)猜忌,加之得知(🔢)当年(💱)母妃(🌑)身死、父王传位的真相,承(chéng )煦决(🙌)意(🤠)篡权(🌞)复仇(chóu )。还未得手,萧(⏰)承睿却旧疾复(fù )发(fā )溘然薨逝,并下诏令茗玉之子(zǐ )萧启元(yuán )继位,以(⚾)牵(qiān )制(zhì )萧(xiāo )承(🗳)煦,稳固朝堂。萧承煦被迫扶(🚗)持萧启元(🈸),却仍(🐛)一心求娶贺(hè )兰(🤷)茗玉。与此同(tóng )时(📟),启元(😝)渐渐长(zhǎng )大(💿),不满萧承煦(xù )的(de )控制,更在(zài )旁人挑拨(🔷)下得知(zhī )母亲与萧承煦私情,对其二人心生(shēng )怨恨。贺兰茗(🌸)玉以大晟上(shàng )下安定为重,竭力在启元和萧(👚)承(chéng )(🛃)煦之(zhī )间(jiān )寻(💅)求(qiú )平衡。岂(qǐ )料承煦(xù )最(zuì )终(🚩)战(zhàn )(🍹)死,而启元也生(shēng )就一世(🈳)情痴(chī ),随宠妃董(🈂)若萱病逝而去。茗玉为了大晟(shèng )(🈸)的(de )将(🛃)来,再一(yī )次坚(📯)强陪伴在登(dēng )基(jī )(🍉)的(🗒)小皇(🐣)帝身边(biān )。