Her father remarried, and Xu Ziyin, a small town girl, came to the big city to start a new life. Lian Yi, the older brother in the new family, is very similar to Jian Cheng, a friend of his in junior high school. Different waves arose in his already calm heart...
As time goes by, Xu Ziyin and Lian Yi grow up together, gaining knowledge and happiness on campus. Until one day, Xu Ziyin learned that Jian Cheng, who had transferred away in the third grade of junior high school, had died, and Lian Yi decided to return to the town with her to visit her grave. Not long after, Xu Ziyin received a courier from Jian Cheng's former friend. Inside the courier was Jian Cheng's diary. The originally sour and helpless time unfolded slowly like a scroll.