Koharu Miike runs a café in Tokyo, while her husband owns and works as head chef at an Italian restaurant. Both are so busy that they even spend their days off apart. Then, while cleaning their room, she finds a hostess’s business card and realizes that her husband has been going out at night to satisfy what he is missing in their marriage. She tells him that she wants them to share more warmth and time together, but his cold response makes it clear that his feelings have faded. Overwhelmed by loneliness, Koharu joins an affair website to escape her empty marriage.