When Zhou Yuan was publicly humiliated by his class teacher Jiang Heng and forced to the rooftop, everyone thought he would continue to remain silent. The next second, Xu Xinglan, who had a crush on him, rushed into the scene on the radio and live broadcast, playing the recording on the spot, tearing apart Jiang Heng's hypocrisy. Shao Mingzhe hesitated to hand over the evidence, Han Jianing pursued the punishment process, and Zhou Yuan decided not to give in for the first time. In their senior year of high school, he and Xu Xinglan grew up side by side amid the truth, exams and heartache.