you’ve been living with your father for many years now but all of a sudden you need to move in into your mom’s house since your dad has to leave the country because of work. You’re moving to Busan. How ever you and your mother don’t have the best relationship. Most of the time you spend your time with your cousin yugeom since you don’t have any friends here. One day he decides to take you with him to meet his friends that’s when you meet Jimin for the first time