A family who are uncomfortable together, but worry about each other goes on a sudden camping trip. A group of youths who have no idea about their future and live crumpled lives go on a trip. A single person who thinks it's alright to be alone goes on a trip as well.

After being discharged from the service, Jae-min scrapes by working part-time jobs. Meanwhile, he left for Ulleung Island in search of his father, who broke up 10 years ago due to his mother's stomach cancer. Chanhee and Yeonwoo, close friends of Jae-min, get involved in the journey….