“Karyu no Utage” tells the story of a housewife (Kuroki) from a middle-class household who has tried to raise her son with the belief that putting in great effort will result in even greater results, but his laziness leads to conflict between them. On top of that, he meets a woman over the Internet who is a part-timer like he is, and he later declares that they're going to marry. As the mother faces a widening gap between her ideal and her reality, the story explores the same gap that exists in modern society

林真理子のベストセラー小説を南果歩主演で映画化した、コミカルな味付けの不倫ドラマ。結婚６年目の主婦・麻也子。一見何不自由ない生活を送ってはいるが、夫に対し何か物足りないものを感じていた。偶然再会したかつての恋人・野村を誘って、２度のデートで一線を越えて、初めての不倫を経験する。が、野村に他にも愛人がいることを知ると、あっさり別れてしまう。そして今度はコンサート会場で、裕福な青年・通彦と知り合うのだが……。

Eriko – lonely, aimless and self-absorbed – falls for Tamura. Despite knowing that he is waiting for his girlfriend to return from overseas, she requests to enter into a relationship with him for just one year.