In order to fulfil her grandmother's wish, college student Xia Shi Cheng joins the charity tour in place of her sick twin brother. She was accompanied by a group of band boys every day, but unexpectedly attracted special attention from her senior Gu Lan. On the one hand, Xia Shi Cheng was busy covering up her real identity, and on the other hand, she had to deal with the internal and external troubles of the band. At this moment, they urgently needed a real stage to prove themselves. A youth full of passion and dreams, friendship, and love kicked off. Adapted from the web comic "Be Idol or Be Lover" (团内禁止恋爱) by Youku Comic (优酷动漫).