john young, the father of Xiaoya, a six-year-old girl, works as a photographer in a company. Xiaoya's mother died of leukemia two years ago. Before she died, my mother wrote many letters to her daughter, and filled a big box, which was sent to Xiaoya by john young on a regular basis. Xiaoya always thought that her mother was far away and would come back one day. John young is busy at work and has to take care of her young daughter. She is often in a hurry. Ding Yi, a female photojournalist of a children's magazine, met john young by chance at work. Eight years ago, she captured the happy scene of the john young family at the seaside, and they appreciated and attracted each other. Ding Yi happened to be an old classmate of Xiaoya Kindergarten teacher Deer. Various opportunities brought john young and Ding Yi closer and closer. Once, Xiaoya had a high fever, and john young couldn't come back because of going out to work. Ding Yi stayed with her all night to take care of her. She was very fond of Xiaoya, who had lost her mother since childhood. Two adults decided to give it a try and let Ding Yi appear as a mother. The initial days were fine, and after a long time, various flaws followed. Xiaoya became suspicious and went to find her own mother. When john young and Ding Yi found Xiaoya, Xiaoya cried sadly and said that Ding Yi was not her mother. Ding Yi was very touched when she found a box of letters written by Xiaoya's mother to her daughter. She was even more touched when she saw the letter written by Xiaoya's mother to her new mother. She decided to try again, and john young encouraged her, but the truth has been uncovered, and the days of getting along with each other are hard to avoid. When Ding Yi decided to leave for a while, Xiaoya thought of her care for herself and took the initiative to retain her new mother.