Meguri lives frugally in a housing complex with her husband, who is a doctor. One day, after feeling sexually frustrated due to the lack of intimacy between them, she catches her husband cheating. His partner is another married woman living in the same complex. So, her husband was having an affair with someone else's wife. Feeling distrust, loneliness, and regret towards her husband, Meguri confides in Yoshida, the husband of the other woman. Yoshida is shocked and hurt to learn that his wife has been taken. The two, both having had their life partners stolen from them, start an affair to fill the void in their hearts…
