During the Jianyan period of the Southern Song Dynasty, the young master ascended the throne and the national teacher was in power. At that time, the seal of the world was lifted, and all kinds of demons were rampant in the world, which made the people of Hangzhou panic. At this time, Butong (Zheng Kai) and Jingjing (Zhang Yuqi), the female demon-conquering master of Xuanguang Temple, met in a demon-conquering operation. A thousand years ago, Butong and Jingjing were the golden boy and jade girl in heaven. They were demoted to the mortal world because they violated the heavenly rules and fell in love. They were punished to reincarnate for ten lifetimes without saying a word. Before going to the mortal world, Jingjing was determined not to drink the water of forgetfulness, so she accumulated a thousand years of memory. She always longed to meet Jintong again and continue her previous relationship. On the other hand, the poisonous dragon that was subdued by Jintong and Buddha reappeared in the world. He was plotting to harm the current emperor and usurp the country. There are still countless hardships on the road to the reunion of the golden boy and the jade girl. Can their fate have a happy ending in this life?