Sunwoo, who once was a literary prodigy and fiercely determined to become an author, suddenly decided to give up writing for good, much to the shock of his family. After returning from a long holiday overseas, he decides to work at a publishing company. However, on his first day, much to his surprise, Sunwoo crosses paths with Haejin, a friend from high school who was a bookworm like him. The last time they saw each other, Sunwoo hurt Haejin's feelings pretty bad, so Sunwoo can't help but wonder how Haejin is doing.