Hurt by repeated dating failures and declaring she will no longer have draining relationships, Dawon takes a leave of absence from school and returns to her hometown. After getting heavily drunk at a welcome party thrown by the childhood friends she hasn't seen in a while, Dawon wakes up the next morning to find herself embraced in the arms of a muscular man... She soon discovers that the cold and aloof-looking man is none other than 'Jeong Ji-hyeok', the small and cute childhood friend from her memories. Thus, with an unexpected and dizzying one-night event, the relationship between the two begins to change instantly. Will Dawon be able to keep her promise to take a break from dating?