The heartwarming romantic comedy is about the friendship and love lives of three single virgins born in 1983. Their romantic lives begin when the boy they liked in their youth shows up one day. They live in Oksu-dong in rundown apartments, and the warm human drama will be about neighborly affection, and the meaning of home, family, and friendship.

20th Century Boy and Girl тривав 1 сезон. Нових епізодів не заплановано.