A young bar waitress, Natsuko has accepted to many Mr. Uehara, a rich art teacher. Itās because Uehara could pay the debt for Natsukoās ex-husband. Mr. Uchara agreed with the terms but suspected that Natsuko betrayed him for money and continued to meet Seiji. Mr. Uehara determined to punish his young wife in his āartisticā way. He tied her up and locked her in the basement of his house, or better described as āthe beastsā cageā, a place where a ābitchā was tortured and sexually abused in various SM ways