Chen Xiaoxi (played by Shen Yue) is an ordinary girl on campus. She likes her high school classmate and lives in the same building with her school bully Jiang Chen (played by Hu Yitian).The play mainly tells the story of Chen Xiaoxi and Jiang Chen's 19-year growth together, from childhood sweethearts to the love story of holding hands again after missing each other.Chen Xiaoxi has been pursuing Jiang Chen passionately since she was a student, and many ridiculous stories have happened.The two finally established a romantic relationship in college, but parted ways during their graduation season.Three years after graduation, Jiang Chen, who became a doctor, and Chen Xiaoxi, who became a painter, reunited and finally came together.Jiang Chen and Chen Xiaoxi's good friends Lin Jingxiao (played by Wang Ziwei), Lu Yang (played by Sun Ning), and Wu Baisong (played by Gao Zhiting) have also grown up together in the past ten years.