A normal high school girl, Park Min, vows she will never fall in love with the local playboy, Jang Hyunseung. However, he has his little playboy heart dead set on Min but only because she rejects him. When one thing leads to another, will romance bloom or will it all end tragically for these two?

Kim Yun is an American Korean who gets to go live with a family in South Korea through an overseas study program. However, she doesn't know a speck of Korean, Korean life, or the family she is staying with! Yun also is a klutz, very modest, sweet, shy, and speaks her mind, well, when she wants to. This makes her incredibly cute. Can she survive living with a family with an already cute son, who has even more handsome friends?