On the first day when an orphan, Lu Yao, was admitted to college, she was cared for carefully by the counselor Gu Yan, and a love was planted from then on. She worked hard to run for the student union cadre just to get closer to him. However, she found that Gu Yan had a mysterious girlfriend who called frequently and occasionally came to the school to look for him. Lu Yao found an old photo in Gu Yan's office. "Wait for me for four years" is written on the back; Gu Yan fainted due to hypoglycemia and was taken to the hospital by Lu Yao, and the relationship between the two warmed up subtly; Gu Yan's sister was ill and hospitalized, and Lu Yao helped take care of it, and found out that the so-called girlfriend was actually her sister, who needed a bone marrow transplant; Lu Yao successfully matched the type but concealed it, and Gu Yan refused after learning about it And asked about her life experience, but in the end her sister found another donor and recovered. Gu Yan resigned to study for a Ph. D., And Lu Yao was determined to take the postgraduate entrance examination to follow. In the past four years, Lu Yao wanted to confess his love many times but was interrupted by various things - Gu Yan went abroad for exchanges, academic pressure, Lu Yao's mother suddenly appeared and asked her to go on a blind date; Lu Yao confronted her mother, Gu Yan secretly supported her and convinced her mother with a ten-year plan; when she graduated, Lu Yao took out her photos and questioned her, and Gu Yan admitted that she had always liked her but because of her status as a teacher and student; the two agreed to officially get together after Gu Yan graduated as a doctor; in the end, Lu Yao was admitted to graduate school, Gu Yan returned to school to teach, and the two finally got married.
