Lu Jingheng, a psychologist, comes from a wealthy family, is cold and reserved, and secretly had a crush on the girl next door Wen Nianyu in college. The painter Wen Nianyu was full of sincerity and secretly admired the boy next door. He hid his heart in the star doll and hid his entire youth.
An unexpected car accident and a silent missed appointment caused the two to misunderstand each other for many years and regret to miss each other. She went abroad for five years and reborn, while he waited alone with his obsession. Reunite on a blind date, try each other in both directions, and heal each other with tenderness. Past misunderstandings are solved layer by layer, and the youthful confession hidden in the doll is finally glimpsed. The long and secret love between childhood sweethearts has finally turned into a happy life together for the rest of their lives.