Yun Heng, the flower goddess in charge of the Four Seasons Flower Letter, discovered the special destiny of the mortal Lu Yanzhi in the Yaochi Golden Code due to the abnormal movements of spiritual butterflies. In order to find out the strange phenomenon of the Sansheng Stone, he went down to earth secretly but was punished by thunder.
Yun Heng transformed into a medical girl and met Lu Yanzhi, a piano master in Chang'an City. The two became friends over the music "Sauve Acacia". The accidental fragmentation of the blood jade bracelet triggers memories of past lives and triggers Ming Gesi's investigation...
