During a social gathering with a business partner, the husband gets drunk and drags the female employee of the other party into the private toilet and commits an obscene act. Her wife Yumi goes to her client for an apology. At first, she starts talking about alimony and asks for the amount of damages due to her suspension of the transaction. It doesn't end there, she is called to the hotel at a later date and is relentlessly attacked... but she becomes addicted to extraordinary pleasures. Without knowing that all of them were arranged by them...
