Yi jeong, Eun jae and Ga eul are friends.When Yi jeong was 10 years old he left for Sweden with his family. He had a crush on Eun jae so he asked her to write him. When Yi jeong emailed Eun jae she did not want to write back thinking it was boring so ga eul started to write instead of Eun jae. after 10 years he and his family is coming back to Korea and

Ga eul and Yi jeong are childhood friends but one day ga eul had to move to Europe .After that yi jeong turned into a casonava but then one day at school he meets ga eul again and falls inlove with her all over again.