Kyouko was once famous in the scene as an SM queen. However, several years have passed, she has quit that job, and married a wealthy man. When Kyouko went to his parents' home to give her marriage greetings, she was shocked to see a familiar face from her past—a former regular customer. His father had been one of her regulars. Having played extensively with her as a masochist, her father-in-law's desire to "one day tie her up" grew stronger, and using his position, he came up with a wicked plan...
