Secret love is a life of chaos and unforgettable. Luo Zhi (Zhang Xueying), who has excellent grades and is proud by nature, has a crush on Sheng Huainan (Xin Yunlai), a classmate she met once in childhood, but Sheng Huainan has no idea about it. After graduating from high school, Luo Zhi found out that she and Sheng Huainan were in the same university. The two met unexpectedly and got closer and closer, but Luo Zhi still didn't dare to express her feelings. When the pressure of growth and reality comes one after another, how should this long secret love be placed? The film is adapted from the August Changan Zhenhua series and is the sequel to the movie "The Best of Us".