Paris, 1942. The Germans may occupy the City of Lights, but glamorous Estelle Allard flourishes in a world separate from the hardships of war. Yet when the Nazis come for her friends, Estelle doesn't hesitate to help those she holds dear, no matter the cost. As she works against the forces intent on destroying her loved ones, she can't know that her actions will have ramifications for generations to come. 2017, London. When Aurelia Leclaire inherits an opulent Paris apartment, she is shocked to discover her grandmother's hidden secrets.