A couple of married couples in a period of boredom face an affair scandal. One day, a young wife, Keiko, falls into self-destructive behavior and commits adultery with a middle-aged man. Her husband, noticing this, takes the body of another married woman, Reiko, saying, 'You can do the same thing...' On the other hand, Keiko's husband, Gaichi, is captivated by her body. One day, as the affair between the four deepens into a quagmire, the two couples finally confront each other…
