Returning to her husband's hometown with him for her stepmother-in-law's first anniversary memorial, wife Aki finds herself targeted by her father-in-law, Koichi, who has long desired her. Pretending to mistake her for his deceased wife, Koichi assaults and rapes her. Unable to confide in her husband, Aki is left in silent anguish. Knowing this, and aware that Aki will be staying at her parents' home, Koichi becomes determined to violate her again, devising a despicable plan and setting his vile scheme into motion.