Yoon Hana finds out that her family is moving out just before the high school entrance ceremony. At first she as worried about transferring to a new school, but her bright personality prevents her from being depressed for too long. However, the first day at the new school doesn't go quiet well how she would imagine. She quickly encounters trouble with her intimidating desk mate, Lee Chang-wook! But soon Hana starts to learn that there's more to Chang-wook than meets the eye. This is the story of the sunny Hana's project to help the gloomy Chang-wook make friends!