Yewon is a girl who really bright and cheerful, but her life change after her parents die in car crash. She have to find a job eventhough, she still become a student and young. However, there is a kind and gentle heart couple willing to help her to find a job to make a living for herself. During, she make a cost of living, she will be stay with the good heart couple with their grandson, Jonghoon. Yewon and Jonghoon are in the same school but not in same year and class. Jonghoon is a cold blood person. He always ignore Yewon when she wants to talk to him. Jonghoon also want yewon keep a secret that they stay together at his grandparents house. However, when Yewon feel stablish to stay by herself, Jonghoon is a person who argue about Yewon decision. Yewon always play and talking with Jonghoon dongsaeng,minhwan. It make Jonghoon sametimes feel jealous. At school yewn has a friend name Bora.