Sooyoung, 20, a very intelligent girl who came back to college after being three years away due to personal problems. Now, in a new university, Korea University, she will fall in love with Yuri and ends up meeting other girls thus creating a strong friendship. She always dreamed of making great friends, but for that,  she would have to reveal her past that she try to forget. This new friends and lovers will accept her and her past?

Yuri, 20, Business student at the University of Korea; main swimmer of swimming team of the university and one of the most popular among the campus girls. Meet Sooyoung by chance, but dont' have much interest until feels challenged for her friends  But Yuri didn't expect to fall in love for the girl. It will be the first time that Yuri will have her heart broken?

Tiffany, 20, estudante de comunicação - é um dos melhores estudantes da Universidade da Coréia e responsável pela formação do Sorority SNSD, que compartilha com mais 7 meninas (Jessica, Yuri, Taeyeon, Yoona, Sunny, Hyoyeon e Seohyun). Sempre muito amável e promotora da paz entre os amigos, é colocada em uma situação difícil quando se apaixona pela mesma garota que seus amigos. Tiffany vai lutar por esse amor?

Jessica, 20, is studying law at university and dreams in resuming the high standard of living that your family has ever had, but due to some events three years ago, they lost almost everything. Like other girls of the college, divides the status of ex-girlfriend from Yuri, but it doesn't bring much heartache to her. Too focused on her studies, will see her world upside down when she interest for the same girl of her ex-girlfriend. Does the past and a possible revenge has something to do with her interest or the Ice Princess is really in love?