Na Junyoung, a poor student, who can't study well at home because of her abusive mom. One day, when her mom hurt her and hit her while drunk, Junyoung runs away to the mountains. Luckily, she finds an old house and uses it as her quiet place to study. But she's not the only one who knows about it. Kwon Beom-jin, a guy known for not being so good in their area, also uses the old house.