She is Deng Xinmu, a first-class academic, and what her parents call "other people's children." However, she failed in the high school entrance examination and returned to her hometown to study in the same school as him. He is the eldest brother in the last row of the class and a serious problem student in the eyes of the teacher. The two of them fight side by side and rush to the same school as him. After the college entrance examination, they finally got into their ideal university. Six years later, they met again at a class reunion. Drunk, she said, "You know, Dr. Lu, I have secretly liked you for seven years." He smiled softly, "Really, Mr. Deng, you haven't been as long as me, and I, ah, have liked you for nine years"...