Jiyeon went to study in San Francisco, USA, where she met Jessica, a cold but popular girl at university, because of Jiyeon’s persistency, and her charm, Jessica accepted her confession and they ended up together as a couple but in one year of their relationship, Jiyeon always had fight with Jessica over jealousy. One day they had a big argument then Jessica packed up and left, Jiyeon’s pride got a better of her, she didn’t even ask her girlfriend to stay. After Jessica left, Jiyeon got a phone call from her friend to break the shocking news to her that Jessica had a car accident and died.

Jiyeon becomes miserable after the loss of her girlfriend, she has been living with regret, an unchangeable past keeps haunting her, and she always drinks herself to sleep. Her friends and family can’t stand it any longer, they ask her to come back home in Korea, where she accidently meets a girl who looks alike Jessica, who is she? Will this girl be able to help Jiyeon to break loose of her past?