Kang-Yi (Bang Min-Ah), A-Ram (Shim Dal-Gi) and So-Young (Han Sung-Min) are classmates and close friends. They always hang out together. The girls decide to run away from home without having any specific plans. They soon run out of money. They make choices, which they think are the best for them, but their choices end up being hurtful to them. Their close relationship breaks apart.