Childhood friends, Eula and Kihyun get really close when they both ended up in a forest. Eula ran away from home at the age of 13. Kihyun lived in an escape home at 13 to get away from his parents. They get really close with each other. But when the police take Eula away, never to be seen again, what happens? When Kihyun and Eula reunite in their last year at high school, everything changes. Will they get close again?will they become more than just friends?