Saki’s mother, Midori, having discovered that her husband has been having an affair, shows up at the young couple’s home and announces that she’s moving in. Meanwhile, Koichi learns that his mother, Kaoru, is working at a hot spring resort in Hakone after filing for divorce. Koichi and Saki decide to take off time from work to go to see her and find themselves looking forward to the trip, their first since their wedding. But will their belated “honeymoon” make them change their minds about splitting up?
