Young and beautiful manhua artist Zhong Ling, in order to treat her son Kele's congenital diabetes, returns to the city she left six years ago due to her breakup with her ex-boyfriend Han Donglai. Unexpectedly, when Kele gets lost, he coincidentally encounters a man who resembles Han Donglai, a character that consistently appears in his mother's manhua. Mistaking him for his father, Kele is taken to Han Donglai's office, leading to their reunion and the beginning of a tumultuous love-hate relationship. The intertwined destinies of the two unfold once again as they confront Kele's origin and his health condition. Who is Kele's biological father? Will there be a chance for a reunion in the former lovers' relationship?
Kang Jiawei and Xu Jingjing, along with their group of high school friends, navigate friendship, growth, and self-discovery, experiencing the highs and lows of their unique youth.