In their youthful and dazzling high school years, Xu Haoran and Su Jinxuan's names were closely adjacent to each other at the top of the honor roll of No. 1 Middle School. They are rivals on equal terms, chasing after each other in every exam; they are also each other's most special "comrades", silently sharing the same light in the classroom for countless nights, explaining a wrong question to each other, or handing each other a bottle of water when they are tired.
Competition and companionship are strangely intertwined, forming the main theme of their youth. Xu Haoran was recommended to Tsinghua University due to his undisputed strength, while Su Jinxuan went to top overseas universities for further study with her equally excellent grades and excellent overall quality.
When parting, there was no clear agreement, only a plain "goodbye, take care". They run on their own paths and draw nutrients from the wider world. After Xu Haoran completed his undergraduate degree in the country, he also embarked on a journey abroad for further study. Su Jinxuan took the lead in studying and returned to China to devote herself to the emerging field of international cultural exchanges. At a gathering of friends, Xu Haoran learned the news of Su Jinxuan's return to China. Soon after, when he returned to China after completing his overseas studies, his former high school friends formed a team again. At the party, Xu Haoran met Su Jinxuan after several years of absence. She has lost her youthfulness and become more calm and sharp. She speaks and smiles with an independent and confident demeanor. At that moment, the emotions that had been silent for many years in Xu Haoran's heart were like being thrown into a deep pool of pebbles. The ripples rose suddenly and were complex and difficult to describe - it was appreciation, nostalgia, familiarity that spanned time and space, and there was also a trace of unquenched throbbing that he had to face squarely...
