Son Chaeyoung, a young, aspiring songwriter, is forced to change schools when her family moves to Seoul because of her father's job. While her rebellious nature finds a friend in YeongHon High School's top athlete, Yoo Jeongyeon; it clashes with student council president and ballet prodigy Myoui Mina. As the lives of two very different individuals begin to cross more often, how will they navigate their feelings?