Keiko and her husband Satoshi visit her father-in-law's family home, where Daisuke lives alone after losing his wife of many years. Keiko is relieved to see her father-in-law looking healthy and showing her a bonsai tree, but then... Keiko finds out that the house Daisuke lives in is being targeted by land speculators. Seeing Daisuke's profile as he laments that he doesn't want to lose the house full of memories, Keiko wants to help him somehow and suggests that he live with her father-in-law, but...