Maki Hojo, a certified care worker, is assigned to look after a bedridden elderly man. One day, while changing his diaper after he has an accident, she is forced to perform a blowjob as she cleans his genitals. After this incident, the old man begins demanding erotic care from her, and surprisingly, his previously immobile body starts to regain movement. Maki begins to feel both professional fulfillment as a caregiver and emotional affection toward the man. She continues caring for him, and their intimate relationship develops in unexpected ways.