Lee Go Mi is a tomboyish girl with no self confident at all when it comes to love. Whereas, her friend, Kim Taehyung is a playboy who have a very friendly attitude towards women. They have been friends for a long time and Go Mi has always been his supporter all the time. She's always there when he need her and he always rely on her. She has never get mad at him for a long time and he sometimes take her for granted. Something happen to Taehyung makin him dissapear from Go Mi's side for a long time. They would never thought that this day would come. Taehyung keep the reason of his dissapearance as a secret while Go Mi feels lost because of it. What would happen to them?