The novelist Maurice Bendrix's love affair with his friend's wife, Sarah, had begun in London during the Blitz. One day, inexplicably and without warning, Sarah had broken off the relationship. It seemed impossible that there could be a rival for her heart. Yet two years later, his jealousy and grief awakened by a chance encounter, Bendrix sends Parkis, a private detective, to follow Sarah and find out the truth. As his love turns to obsession, Bendrix begins to question everything he has ever believed in.