One day a cash-on-delivery parcel arrives, but Yumika has only 1,000 yen in her wallet. Desperate, she takes 10,000 yen from her father-in-law's wallet, intending only to borrow it. She should have asked him first, but that mistake begins her nightmare. Having witnessed it, her father-in-law angrily decides that Yumika must also be responsible for money that has recently gone missing. Claiming he needs to search her body, he orders his daughter-in-law to undress until she is completely naked...