小助理桑夏被(✒)大明星燕楚庭各种折(shé )磨,意(😘)外(🕟)进入(rù )(🛍)正(🔱)在(zài )拍摄的剧本(🔧)里面,成为古代(dài )长郡主(zhǔ ),需在大婚前(qián )找出藏在五位候选者(zhě )中的凶(😎)手(shǒu ),否则将会死亡,并且陷入剧(🕯)情循(xún )环。她虽有现代思维,却(🛺)要应(yīng )对母后的催(cuī )婚与(yǔ )二郡主(🖍)桑雅的嫉(jí )(🕕)妒(dù ),还对(🤷)与前男(⏺)友长相一(🧚)致的伴读(🌚)燕楚庭充满(mǎn )试探与疑(yí )惑(huò )。过程中(㊗),桑(sāng )夏被迫与(📙)慕(mù )寒付韵西等五位各怀心(xīn )思的候(💪)选者周旋,一(yī )边化身黑(🧤)莲花设法(fǎ )(🕙)淘(⛳)汰众人(👺),一边与燕楚(🕐)庭从猜忌到携手(🕯),揭穿(chuān )慕(mù )寒罪行化解候(🏉)选(🥊)者(zhě )陷(xiàn )害(hài )。然(rán )而,局势愈发(fā )复(🐛)杂(zá ),付(fù )韵西被刘义(yì )首(💅)所杀,刘义首家(jiā )族势(🏒)力(🙎)威(💿)胁(xié )(🎥)皇权,母后(🔍)竟非桑夏生(🔤)母,还为亲(qīn )生女儿(ér )桑(🥅)雅谋(móu )(🍽)权篡位。最终,桑(sāng )夏与燕楚(🆙)庭在帝(dì )师(🔥)萧禹的(de )助(⏳)力下(xià ),平息桑雅引发的战乱,二人回到现(xiàn )代