上古時期九嬰危害人間，金木水火土五正神官犧牲自我、合力鎖住九嬰。金正意外存活，其他四神散落人間。千年後，由百里氏建立的峳國與瑯族征伐不斷，峳皇幼年繼位，其母賀氏輔政，重用外戚之風日盛，宗室親脈平原王之子百里鴻煊和百里鴻爍慘遭猜忌。瑯族的新首領明夜楓發現了平原王之女百里鴻熠的真實身份，身世秘密將百里氏推向叛國深淵。此時，金正發現九嬰即將衝破封印，於是想方設法歷練其它四神，喚醒其靈力，重滅九嬰。最終，五神在鴻爍和鴻熠的帶領下，再次履行了千年前保衛天下的約定，讓世間重獲安定。

In the republican era of Changsha, nine powerful families known as the "Mystic Nine Clan" protect the town. Zhang Qishan (William Chan), the leader of the nine gates, investigates a mysterious train arriving at his station, which leads to an enigmatic mine. He enlists Qi Tiezui (Ying Haoming) and Er Yuehong (Lay Zhang), an opera singer from an archaeological family, to solve the mystery. Before their mission begins, they must first find medicine to help Er Yuehong's terminally ill wife. During their journey, they encounter Yin Xinyue (Zhao Liying), the young hotel mistress, and uncover a dangerous plot threatening Changsha's people. This is a 2016 South Korean prequel to "The Lost Tomb" that explores the intricate world of historical mystery and adventure.

梵延納國越境入侵，十九歲的齊王裴衍（張凌赫飾）之臨危受命，他浴血奮戰扭轉戰局，卻在最終洪谷之戰中身中埋伏，全軍覆沒。死裏逃生回到朝堂上的齊王遭到雲王追責問罪，兵權被卸。面對雲王扶持幼帝登基，暗奪皇權，齊王和小皇帝達成默契，選擇暫時退讓。自此之後，齊王不再過問朝綱之事，私下化名裴昭，開始遊戲人間。實則暗中調查，誓要還當年兵敗一個真相。因調査販災銀丟失案，裴昭在清水縣偶遇明鏡署少署蘇瓷，因對其冷淡的個性和超高的破案能力產生興趣，結伴同行。途中，裴昭與蘇瓷（陳瑤飾）結識了飛雲山莊少莊主謝北溟和毒王之女董如雙，四人結成探案小分隊。隨着案件—個個被偵破，危險也逐漸臨近。蘇瓷的真實身份被揭開，當年戰爭的真相漸漸浮出水面，探案小分隊捲入朝廷的權利之爭，真相、愛情、友情、親情等重重考驗接踵而來。

西魏年間亂世混戰，大批平民在戰亂中淪為奴隸，命如草芥。奴籍少女楚喬被送入人獵場供貴族娛樂射殺，幸得西涼世子燕洵暗中相救，隨後她被帶進權傾朝野的門閥宇文家。目睹兄姐相繼慘死，立誓要帶妹妹逃出牢籠。 楚喬受到開明貴族宇文玥關注，被迫接受嚴厲訓練的同時，更與燕洵結下深厚友誼。西魏門閥爭鬥，燕洵一家滿門被滅，深陷絕境，楚喬與他生死相守並力助他逃脫困局。然而回到西涼後，燕洵野心膨脹，不惜以滿城百姓性命為代價割據稱雄。楚喬在絕望中與燕洵分道揚鑣，並與力求“天下一統、釋奴止戈“的宇文玥並肩作戰，粉碎了燕洵的複仇計劃，成為心懷蒼生的巾幗將軍。