Park Chanyeol and Byun Baekhyun, two very close friends and classmates, are torn apart when Baekhyun's family is transferred to another region of South Korea due to his family's job. Despite seperation, they continue to keep in touch through letters. When Chanyeol finds out that his family is also moving, he decided to meet with Baekhyun one last time.

As years pass by, continuing their own paths, their distance grew wider and their contact to one another fades. Yet, they keep remembering one another and times they have shared together, wondering if they will have the chance to meet once again.