Junyeong and Yeongjae change and grow through the seasons together through 12 years of romantic relationship.

Jun-yeong lays out a meticulous plan for his date with Yeong-jae; he invites her to an event hosted by his department at school.

Still feeling hurt after seven years, Jun-yeong finds Yeong-jae's nonchalant attitude maddening, but life is more complicated than he'd surmised.

After a gap of seven years, day two of Yeong-jae and Jun-yeong's relationship finally begins; Jun-yeong finds that dating has its own challenges.

Jun-yeong uses his detective skills to investigate Yeong-jae's attractive client; after a stressful day, Yeong-jae goes out with a new acquaintance.

Yeong-jae and Jun-yeong deal with the consequences of their fights; the police station welcomes a new officer who shares some of Jun-yeong's quirks.