Husband and wife Mihina decided to live with their unwell father-in-law. Mihina cares for her father-in-law who calls the name of a woman she doesn't know. One day, Mihina finds an old photo of a woman who looks just like her. That woman was Miyako, whom her father-in-law called her name and was in love with. Because of her father-in-law's love, she is asked by her husband to impersonate Miyako, and Mihina takes care of her as Miyako.
