After losing her husband, Maki Hojo begins working as a caregiver at a nursing home. One day, while assisting an elderly man with his meal during a home visit, he suddenly starts touching her body. Instinctively, she resists. Back at the facility, the director explains to her a new policy called "sexual desire assistance." Though confused by the directive, she gradually begins to find purpose in her work. However, behind this policy lies the primal instincts of the elderly residents. As she sees them crowding around her soft, pale skin, Maki finds herself increasingly torn.