Li Yafu is the gold medalist of the violin competition and the fiancée of Bai Junyan. Although Bai Junyan is gentle with her, she never oversteps her rules. Knowing that he still has an old love in his heart, he even calls him by his name when he is drunk. Their interactions follow rituals similar to those of old love. She endured it silently and never said much. Until one day, Bai Junyan's behavior seemed to have changed......