15-year-old An, like all high school girls, has a crush on Tian, the handsome, rich and charming prince on campus. Tian is a cool and eccentric boy who rarely interacts with his peers, but he has a dream of becoming a singer. One day, An's father left her to stay at a friend's house because he had to go on a business trip. An never expected happiness to come so quickly, and she would start living with Tian.