Before her 30th birthday, her beloved husband gave her a luxury hotel ticket. And on the day of the climax of happiness, "PM 3:00". A trio of young men wearing suspicious masks come to the hotel room where she checked in with her husband. In fact, the husband, who had secretly borrowed a large amount of money, had made a contract to offer his beloved wife as collateral. - For 20 hours until check-out, the change in the back of the throat of Kanna, who continued to be throated by young people, came.