The Lake

Okada is a housewife who falls in love with her interior decorator. Her affair takes her to trashy hotels where she allows her lover to take nude photographs of her. Later the negatives are used against her by another man, Tsuyuguchi, who has seen the lovers entering the hotel. His blackmail attempt, coupled with the fact that the interior decorator has another mistress, brings about a beachside lovemaking encounter between Tsuyuguchi and Okada. When her husband learns the truth from the decorator, the married couple return home together.