Rika, a married woman whose father-in-law who runs a company injured his arm and took care of his personal belongings for a while. Rika doesn't like her father-in-law, and she was going to refuse, but she was given a condition when she made her husband act as president at the company while her father-in-law was away, and she reluctantly accepted. Her father-in-law, who is thinking of making Rika her own, begins by forcing her to change into a maid outfit because it makes her difficult to move. A father-in-law who builds a master-servant relationship with her son's career as a bait against Rurika who dislikes it. And gradually his father-in-law's demands escalate.
