Due to the Korean war, Oh Bok-Sil’s family becomes separated lose everything. Not to be defeated, they live with strength as they suffer great hardships.

Yoo Ji Na is a budding career woman who has absolutely no issues with lying to get what she wants. But when she falls for the innocent and naive Yoon Tae Woon, who is truthful to a fault, their budding romance becomes a liability for Ji Na's cutthroat corporate job. Can these unlikely lovers stay true to themselves and manage to stay together?

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.

A sickly man with a strong mind has spent most of his childhood in a hospital. He is involved in a case of "double jeopardy," the principle that one cannot be tried for the same crime twice following either a conviction or an acquittal.

Moon Seung Mo is a popular chef. Due to the sudden deaths of his parents by fire, he moves to Seoha Village. His peaceful daily life suddenly changes there with the sudden appearance of Yoo Yoo Jin. Meanwhile, Yoo Yoo Jin is a world-famous fashion designer. She works under the name of Yoo Bella. One day, she has a car accident. The car accident causes her to lose her memory completely and she ends up in Seoha Village. She acts very eccentric there and becomes a troublemaker. Due to her behavior, she picks up the nickname "Yoobyeolna" ("What an eccentric").