Nanako Kichise, to care for her father-in-law who suffers from dementia, hires Ozawa, a caregiver, to come to her home and mentor her. Although unaccustomed to the situation, she works diligently without expecting anything in return. Then one day, her husband is caught cheating on her, prompting her to storm out. There, she happens to run into Ozawa, who encourages her and gives her a hug…