Youyou, who suffers from congenital heart disease, lives a happy and carefree life under the care of her grandfather, grandmother, Luo Hong and others, although her father died young and her mother remarried. Due to his special constitution, he often dreamed of the Yue Mansion, a merchant's home in the Tang Dynasty, for many years. This abnormal phenomenon was not taken seriously by his family, but was criticized as a random thought.
When he was in college, he accidentally learned the mystery of his life experience. He was shocked, grief-stricken, and died of a heart attack. He was separated from his childhood sweetheart, Luo Hong.
Due to an unexpected combination of circumstances, Youyou's soul returned to the Tang Dynasty. Just in time for the Yue Mansion's annihilation, he was sealed into the body of Yue Youran, the eldest daughter of the Yue Mansion, and was involved in a whirlpool of rivers and lakes and the court, conspiracy and family affection - the mystery of the destruction of the Holy Twelve Palaces, the war for the throne, the annihilation of family affection and humanity, and the reunion in blood and tears...