Three years ago, Minako moved to Tokyo from Fukushima, working as a live-in housekeeper. She's striving to find her missing husband while earning a living. Her latest assignment is at a household with a reclusive young master. Struggling with standard Japanese and having a kind, easygoing personality, Minako can't bring herself to refuse unreasonable demands from the master or his son, obediently complying with their every wish. Soon, she becomes deeply involved in taking care of the young master, not just with housework but in more intimate ways, gradually giving in physically despite her confusion. Her submissive nature drags her further into dangerous and compromising situations.