Jiang Wen, who lives in Shanghai, is a freshman in high school and studies at Lihuan High School with Fa Xiaobao Xiaofu. This strange place reminded Jiang Wen of some sad past events. Then during a military training, his classmate Fu Xiaoling saw Jiang Wen's sadness and secretly fell in love with him. With the help of Bao Xiaofu, Jiang Wen came out of his sadness and began three years of mixed joys and sorrows in high school life.