Byun Baekhyun lives with his mother in Europe since his fifth birthday. He visits primary school there and got friends easily, but he always feels different as the only Asian looking guy on his school. Someday two brothers transfers to his school and the younger one also joins Baekhyuns class. That day becomes one of the most precious days in Baekhyuns life, because he got to know his best friend Park Chanyeol and nobody was able to separate them again. But time passes by quickly and Chanyeols family leaves Europe to go back to Korea and the two friends have to follow different ways. Their promise: We will keep in touch, no matter what happenes!   After going back to Korea Chanyeol notices quickly that he has much more feelings for his bestfriend. But now they were separated by thousand of kilometers and he has to see how his soulmates falls in love with a girl of his class in high school. Although Chanyeol feels hurt he keeps his promise and stays with Baekhyun as much as possible. They often call and talk to each other and Baekhyuns 18th birthday comes closer and closer and Chanyeol plans on surprising his bestfriend by visiting. His chance to confess to Baekhyun.