Shoko, a married woman who is dissatisfied with her sexless life, worries about what she can do to make her husband see her as a woman, even if only a little. Her husband's secretary, Sonoda, is in love with her. One day, Sonoda goes out of control and takes away Shoko's chastity. Her husband refuses to even look at his wife's conflicted state, and she begins to accept Sonoda, who wants to hold her out of loneliness. She sends her husband away, who is unaware of his partner's mistakes, and today the married woman is drowning in the pleasure of infidelity...