Cornwall, 1944.
Blinded by love, Vivienne Hamilton escapes to Paris with a Nazi prisoner of war. Since then, no one has seen her. Because she tarnished the good name of the whole family, no one mentioned Vivienne for seventy-five years.
London, present.
When Sophie Hamilton discovers a photo of her great-aunt Vivienne from the Second World War, it throws her off guard. The photo shows a building that was associated with a London spy organization and was taken right before Vivienne disappeared. Sophie begins to gradually reveal the story of a woman who risked everything for the person she loved the most...