It was a nightmare for the rebellious Yi Yin to meet He Xizheng, who controlled all arrangements related to Yi Yin like a dictator. Her dream of being a pianist was shattered by an accident, but she did not succumb to fate. She began to fight in order to one day get rid of He Xizheng's rule. In college, Yinyin discovered that Songyu had a wonderful fate with her. Songyu, who also loved music, encouraged Yinyin not to give up her beliefs, which brought the two people's hearts closer. However, He Xizheng, a wealthy man in Qincheng who loved Yinyin deeply, did not allow this to happen. In order to extinguish the spark that the two of them were trying to breed, he made another arrangement... ... Five years later, with the death of his father, Yinyin's success in the music career, and Songyu's reappearance, Xizheng found that things were beyond his control. Did Yinyin, who had been away from He Xizheng for two years, really get the life he wanted? Love and hate were entangled in this summer night, and they parted cruelly in this summer night...