From the beginning of middle school until the conclusion of university, Jeong Dohun has consistently nurtured a one-sided affection for Lee Yejun. Dohun wished for Yejun to always be present in his life, but his dreams were shattered when Yejun unexpectedly got married one day. Just as Dohun was preparing to embark on a trip to finally put an end to his unforgettable and painful unrequited love, he learns of Yejun's divorce after three years. That night, Yejun unexpectedly pays him a visit, asking..."That trip, can't I come with you?"