For two years, Wakana Kinme has run a laundry service in the seaside resort town of Atami. Kinme Cleaning is a well-loved business, and Atami residents admire Wakana's devotion to her trade. She builds a fulfilling life making friends with the locals and visiting hot springs. Although Wakana has no knowledge of her own past, her cleaning services safeguard memories imbued in customers' precious items.