Yu is a beautiful wife who lives with her husband who is often away on business. While she was drinking at a bar, she was targeted and abducted by the bar's owner. She is gagged and handcuffed, and is confined and trained in an iron cage. The beautiful wife's mind gradually breaks down due to the humiliation of being violated, with loose saliva dripping out from the gaps in the gag and moaning...Gradually, Yu begins to feel pleasure from being violated, and Kokoro is taken over, and she is trained to be a masochistic slave...