Miki has been depressed due to the disappearance of her husband Akira. Her friend Hiroko attempts to comfort Miki, but is very worried about her friend. Miki spends all of her time in her apartment with the draperies shut, and she isn't taking very good care of her son named Takuya, who leaves for school before she awakens. As the story unfolds, it becomes quite clear that both Miki and Hiroko and both hiding deadly secrets from one another.
