Jeong Im's husband comes out of the closet and the two divorce. One day, she sleeps with a young man, Byeong Seok. To her surprise, he is her daughter's boyfriend. Meanwhile, Seung Rok moves into the same apartment where his fist love, Jeong Im, lives. Seung Rok enjoys a date with her, but soon Jeong Im learns that he is Byeong Seok's father. Four people experience conflict in entangled relationships. However, they read moreask themselves what it means to be a `true family.'