After losing her husband of many years, Keiko visits her late husband's father, Daisuke, at his family home for the first time in a while, accompanied by her current husband, Satoshi. Upon reuniting with Keiko, Daisuke appears cheerful and in good health, which brings her relief—until she soon learns that his house is being targeted by land developers. Witnessing Daisuke's sorrow over the prospect of losing the home filled with cherished memories, Keiko feels a strong desire to help. She proposes to her husband that she move in with her father-in-law to support him—but…