In the early spring of 2026, the Year of the Horse, Shen Shiyu, the flower shop owner who runs the "Shiyu Flower House", met Lin Wan, a regular customer who bought white lisianthus every week. The two became attached to each other because of flowers, and gradually got closer as the seasons passed. However, they finally separated because Lin Wan suffered from a rare disease and did not want to be a burden to the person she loved. The story uses flowers as a metaphor for life, telling a tender encounter destined to wither.