At the beginning of the second year of high school, Xu Chen, a science major who is seriously partial to subjects, and Su Yao, a genius in liberal arts, formed a learning mutual aid group under the arrangement of the teacher. In the process of complementing each other's weaknesses, the two secretly fell in love. At the same time, their friends Lin Yang, a basketball boy who is facing the crisis of quitting the team, and Xia Yue, an artistic girl who struggles between her dreams and her parents' expectations, are also facing growing pains. A group of young people moved forward together amidst quarrels, setbacks and mutual help. In the end, not only did Xu Chen and Su Yao get admitted to the same university and confirmed their relationship, Lin Yang and Xia Yue also broke through the difficulties and realized their dreams, drawing a successful conclusion to their high school years.