Silly () is a lively girl who has been chasing the footsteps of the man next door (Tian) since she was a student. Facing Chen Xiaoxi's hot pursuit, Jiang Chen, the arrogant and indifferent principal, was unmoved.
After graduating from college, Jiang Chen and Chen Xiaoxi embarked on their own career paths, from students to doctors and painters. During the stumbling 19 years of growth, they never wavered in each other's hearts. After those simple and beautiful years, the cold Jiang Chen finally chose to face his heart and began his sweet love with Chen Xiaoxi.