[Madonna 20th anniversary! ! A gorgeous hard work! ! ] Nami, Rio, Yuki, and Sumire, who are in the same situation as husbands with large debts, come to a remote inn after hearing from a moneylender that they have a chance to cancel their debts. Ta. It turns out to be a gambling inn where wealthy people gather. The four of them have their clothes forcibly ripped off, and spend their time in a dimly lit room where their screams cannot be heard, in fear of a man in black. Then, as a large number of devilish wealthy people rush in, a nightmarish gambling session finally begins...