The Miyanishi couple are living happily together. One day, the husband asks his wife, Hikaru, to accompany him on a cosmetics sales call. The next day, Hikaru, who has heard the man's story and is interested in cosmetics, promises to meet again at a later date, and they leave. However, this is actually the beginning of the man's sinister plan for revenge. The man holds a grudge against Hikaru's husband. Another man joins them, and finally the plan for revenge against the married woman begins...