Yoona was living peacefully in Canada until her aunt decided to move to Seoul. There, she met a friend named Sooyoung,who became her bestfriend. She encountered Exo without even knowing who they were. She became friends with them except one member because of his terrible personality. A lot of time past by and a lot has changed. But what will happen if someone from the past comes back? Join Yoona on her Journey in her new life in Seoul.