Sumire, who lives with her salaryman husband, Kenzo, is living a simple but happy life. One day, Kenzo brings his boss home... but to her surprise, the boss is her old sex friend from whom she used to enjoy drugged sex. At first, she pretends to be calm, but the man secretly slips drugs into her drink. When her husband falls asleep first, he takes advantage of the moment, attacking Sumire who is on the verge of losing her sanity, reviving her unpleasant memories...
