Haewon live a peaceful and happy life for her entire life. One day, her family get into accident. He father died, leaving her and her mother. After a few weeks, her mother get a job transfer to Seoul. So, she have to go with her mother and stay there, leaving her friends behind. After her encounter with a popular and handsome guy at her new school, Jungkook her life turned upside down. They both really hate each other. One day, Haewon has to live at Daejeon for 3 years since her mother get a temporary job transfer. When she come back to Seoul, they were asked to marry each other. What would happen to them? Will theu live happily ever after?