Kwon Jeiyul is a simple girl living in a peaceful place together with her mom, dad and one younger brother. Jeiyul is a junior high school student in Seoul Arts High School. Her parents enrolled her there since she’s both good in singing and dancing. She met a guy beside the lake while she was doing her free time. That guy was his classmate, Oh Sehun. Oh Sehun is one of the famous students in Seoul Arts High School because he got that angelic face that would make every girl swoon. He has three brothers which are famous too.

They became good friends and developed feelings for each other. One day, something happened to Sehun that made Jeiyul scared about him. Jeiyul was also experiencing something really weird that she never experienced it in her entire life. Sehun has a secret to reveal to Jeiyul that no one knows about it except his family. Will Jeiyul still love him when she knows what his secret was? What was the reason why Jeiyul starts to act weird? Will they fight for their love against all odds?