Yuri, Yoona, and Seohyun are bestfriends since childhood..... And their dream is to be an artist  but their parents are not approve of what they want to be.... But, even if their parents don't allow them, nothing can stop them. So, they do a part time job and audition in SM ent. to be a trainee with having no help with their parents except for yuri because her parents died in a car accid