Introverted vlogger Yun Li reunites with her high school crush, the genius Fu Shize. She decides to be brave, turning into a warm sun to melt his icy heart. However, hidden traumas and misunderstandings push them apart, leading Yun Li to leave the country. To win back his true love, Fu Shize steps out of the shadows and reaches the peak of his career. When Yun Li returns years later, can their love break through the defenses once again?