The heroine is Geng Geng and the male protagonist Yu Huai. The story takes place in Geng Geng's fifth year after graduating from university. Geng Geng likes photography and Yu Huai likes physics. They are both high school classmates. Yu Huai disappeared for five years because of a misunderstanding. Geng Geng waited for him for five years. When they meet again, can they resolve the misunderstanding and continue to be together?