Anna Geyms is a happy woman. She is young, very beautiful, and rich. Anna has a loving husband, Laurent Geyms, a high-ranking official of the Ministry of the Interior, and an exquisite social circle. So why is she tormented by nightmares at night? What explains her memory lapses and failure to recognize faces, especially the face of the person closest to her — Laurent? Is she really going mad? Her husband suggests that Anna agree to psychiatric treatment, but her soul protests. And the heroine begins her own investigation, which reveals terrible secrets to her.