16-Year-old Chen Ranran has always thought that she is the happiest person because everyone she loves and loves her is by her side. Whether it's her parents, her best friends, or the person she's always liked. Graduating from high school, going to college, and then marrying Lin Yucheng, this is all Ran Ran's dream for the future. But everything ceased to exist when Ran Ran was 16 years old. As the director of the school's music department, Ran Ran was responsible for contacting former alumni of Siyuan High School when Siyuan High School celebrated its 90th anniversary. In order to surprise Lin Yucheng, who loves piano, she specially invited the famous domestic pianist Lin Lan to perform. But she never imagined that this decision would cause everyone's destiny to deviate from the original track. Everything she cherished would turn into burst soap bubbles and disappear without a trace...