Kim Da-Som/ Dasom is a 17 year old who lives in busy Seoul. And has always lived with her Dad.. Her bag goes missing and how could that effect any thing right? To top that off, the next day, her dad goes to work and never comes back...leaving only one last voicemail to her What the heck! A brother?? Where?? Who's Chanyeol?? The news is shocking and Dasom must find her brother so she can start a new life. Let's see where life takes her.