At the National Korean University of Arts, a rookie boy band that go by "2PM" attend, along with other various students. Among the talented group is Jang Wooyoung, a sophomore looking to eventually debut with his band. Lee Jieun, the quiet girl who never quite socializes, has a hidden talent for singing and also has a passion for music. The two first encounter each other at the Elephant Cafe, where Jieun works and, unknown to others, also lives. After spending more time with each other, Wooyoung takes his chances and makes his move on her. Little does he know that the story behind her is a lot more mind-blowing than he'd ever imagine.