Shoko, a married woman who is dissatisfied with her daily lack of sex, worries about what she can do to make her husband see her as a woman even a little. - Her husband's secretary, Sonoda, is in love with Shoko. - One day, Shoko loses her chastity to Sonoda who goes out of control. - The husband does not even pay attention to his wife's conflicted state, and she begins to accept Sonoda, who wants to embrace her out of loneliness. - Today, the married woman is drowning in the pleasure of infidelity as she sends away her husband who doesn't notice his partner's mistakes...