Yuko, an OL working at a trading company in Tokyo and soon to be married, is kidnapped by yakuza, violently raped, and then imprisoned in a cage. In the same cage is Yoriko, who has also been kidnapped and trained like Yuko. Yuko endures hellish days... Yoriko, believing she is in the same situation, is unaware that one of her fellow captors is part of the group...
