Ruan Mingyue moved from being a girl in the wilderness to Goulan. After he was fifteen years old, he was adopted by Daozhen Taoist nun and practiced with his master in Yicao Mountain ever since. Later, she was ordered by her master to escort the life-extending magic medicine to the Prime Minister's Mansion in Jiandu, the capital of the Lan Kingdom, and saved the life of the prime minister's young son Kuang Xuan. Mingyue didn't know that a treacherous coup in the prosperous capital of Jiandu would affect her destiny.