Zheng Runzhe and Zhao Jincheng were childhood sweethearts who grew up together. Chen Sujing fell in love with Zhao Jincheng at first sight when they were in high school. They originally thought that the two would have nothing in common, but they became entangled due to the arrival of the transfer student Zheng Runzhe. Thanks to Zheng Runzhe's relationship, Chen Sujing and Zhao Jincheng gradually came together. However, Zheng Runzhe, who had witnessed the process of their love, had already fallen in love. When he found out that he had fallen in love with Chen Sujing, it was too late and decided to protect the two silently... After graduation, Chen Sujing finally saw clearly in his heart and broke up with Zhao Jincheng.
Concept: Zheng Runzhe has been in love with Chen Sujing for many years