The story begins with Gina, a popular high school student admired by all for her talent and being a K-pop trainee. Her best friends, Hana and Mii, are also trainees. Sun Min watches Gina from afar, warned by his friend of their differences. Gina's boyfriend, Hong, apologizes for missing her birthday, but Gina breaks up with him, claiming she is dating someone else, pointing to Suman.