Victoria is a new student in SM High School. From the first day she entered the class, she spotted a quite good-looking guy stared at her. His gaze gave her goose bumps and her heartbeat rapidly increased. She is a silent type and really quite girl. She sat alone at the back in the class. Her good friend, Jessica Jung also the same class with her. She is really clumsy everywhere. She kept falling at every place. She kept her feeling and the only one that knew about her crush was Im YoonA. One day, a shocking fact happened. The guy, Cho Kyuhyun announced that he dated Jessica. Victoria's heart hurted very much. After the shocking revelation, a creepy stalker man kept following her and snapped pictures of her. Without she knowing, YoonA also struggles with her love life. She loves Ok Taecyeon from another class. Choi Siwon also had a feeling for her. How would this two best friends survive in this complicated love story?