Sheng Xiangnian and He Xi are classmates and very good friends. In He Xi's family, her relatives are often away from home, and she is lonely until she meets Sheng Xiangnian, a good friend who takes her into her own world. Sheng Xiangnian, He Xi, Sheng Hexuan, and Qi Beiyue grow up together and rush towards the future they want. The world is ever-changing, and their friendship, in the long river of time, is unknown but eternal, and they are witnessed by the passage of time.
Concept: modern