An illicit affair spanning two days and one night leaves a deep and lasting impression on the heart and body of a married woman. Unable to find fulfillment with her husband, who is ten years her senior, she struggles with her mature desires and a lonely heart. This time, the married woman is NANAKO, possessing exquisite beauty and irresistible charm. At times tender and affectionate, at other times wild and passionate, she slowly awakens the hidden feminine desires within her. The depth of her infidelity and the shifting emotions of a married woman intensify dramatically.