Miki, a bride with a masochistic temperament, is going to her husband's hometown. She is afraid of her father-in-law's presence. Her father-in-law sees through Miki's sexual proclivities in one go. Each of his actions ignites sadistic desires, and one day he attacks Miki. Despite resisting, Miki is bound with ropes and filled with spanking. Gradually, she begins to feel pleasure and starts to desire bondage training herself...