Five years into their marriage, Kanna is worried about her husband's lack of a steady job and consults with her boss, Ozawa. Ozawa is also still emotionally wounded by his wife's death several years ago. One day, he is ordered to go on a business trip with Kanna to Kyushu, where Ozawa's wife is from. On the day of the business trip, Ozawa visits his wife's grave with Kanna's encouragement, and gets drunk, ignoring Kanna. Kanna feels affection for Ozawa and the two share a kiss. Feeling lonely, the two indulge in intimate sexual intercourse to heal each other's wounds...