Miyuki, a beautiful young wife, lives with her ordinary husband and father-in-law. One day, her husband invites his boss from work to dinner, which is the beginning of the family's downfall. In fact, the boss is the man who had previously sexually trained Miyuki. The man's visit causes the relationship between the couple to fall apart. Miyuki's father-in-law, who is obsessed with Miyuki, fills the gap between them. This twisted situation gradually reactivates the abnormal sexual proclivities that had been stored deep in Miyuki's heart...