Eunji and her family pack up and leave Busan to move to Seoul after being accepted into a performing arts school that she had no clue about, she's not happy and believes her Mom is making a mistake leaving everything they had built up behind. But will she still feel the same way after meeting a mysterious boy who is constantly flocked by the girls in the school as soon as he's in vicinity? Or will she stay true to her promise and convince her Mom to move back? Is it all a beautiful mistake or just fate toying with her?