The novelist Maurice Bendrix's love affair with his friend's wife, Sarah, had begun in London during the Blitz. But, out of the blue she ended the relationship. Years later he sends a private detective to follow Sarah and find out the truth.
The love affair between Maurice Bendrix and Sarah, flourishing in the turbulent times of the London Blitz, ends when she suddenly and without explanation breaks it off. After a chance meeting rekindles his love and jealousy two years later, Bendrix hires a private detective to follow Sarah, and slowly his love for her turns into an obsession.