Chen Chen (Zhang Zifeng), who is about to take the college entrance examination, is depressed because he discovers his mother (Hao Lei) is having an affair with Uncle Wang (Zu Feng). However, he meets the campus internet celebrity Zheng Yuxing (Wu Lei) by chance because of a lie. In their unsolved youth, the two face the various difficulties of growing up together, bravely face their true selves, and witness each other's growth and transformation after this summer...