The male protagonist Du Minghan has been a superstar since he was a child. He hid his identity under the pseudonym Ade and traveled with his friend Wei Zhibo. He was attracted by Song Xiaoqing, a girl from the folk music department of Shanghai Conservatory of Music. So the two were admitted to the folk music department together and became friends with Song Xiaoqing. classmate. Song Xiaoqing secretly attended Du Minghan's autograph session, confirmed his identity, and left angrily; Du Minghan appeared on campus again to help the folk music department recruit students and hold a concert at the same time. At the concert, he used "Things You Don't Know" (originally Song Xiaoqing wrote it (he later revised the song) confessed his love to Song Xiaoqing, and the two finally cleared up their past feud.