Present day, London: When Sophie discovers a photograph of her great aunt Vivi from World War II, it throws her into a world of confusion. Because, as she learns about this secret relative, she quickly realizes that the photograph doesn’t fit with her family’s story. It shows Vivi leaving an address associated with a spy network in London - a place she had no reason to be - and it is dated right before she disappeared. 

England, 1939. Talented pilot Skye Penrose joins the British war effort where she encounters her estranged sister, Liberty, and childhood soul mate Nicholas Crawford, now engaged to enigmatic Frenchwoman Margaux Jourdan. Paris, 1947. Designer Christian Dior unveils his extravagant first collection to a world weary of war and grief. He names his debut fragrance, Miss Dior, in tribute to his sister, Catherine, who worked for the French Resistance.

To the outside world, Electra D’Aplièse seems to be the woman with everything: as one of the world’s top models, she is beautiful, rich and famous. Yet beneath the veneer, Electra’s already tenuous control over her state of mind has been rocked by the death of her father, Pa Salt, the elusive billionaire who adopted his six daughters from across the globe. Struggling to cope, she turns to alcohol and drugs. As those around her fear for her health, Electra receives a letter from a complete stranger who claims to be her grandmother.

In the summer of 1914, vigneron Jerome Méa heads off to war, certain he'll be home by Christmas. His new bride Sophie, a fifth-generation champenoise, is determined to ensure the forthcoming vintages will be testament to their love and the power of the people of Épernay, especially its strong women. But as the years drag on, authorities advise that Jerome is missing, considered dead. When poison gas is first used in Belgium by the Germans, British chemist Charles Nash jumps to enlist.

After a shocking discovery, Grace Woods leaves her vast Australian sheep station and travels to tumultuous postwar Paris in order to find her true identity. While working as a mannequin for Christian Dior, the world's newly acclaimed emperor of fashion, Grace mixes with counts and princesses, authors and artists, diplomats and politicians. But when Grace falls for handsome Philippe Boyer, she doesn't know that he is leading a double life, nor that his past might inflict devastating consequences upon her.