1925. Among the ancient honey-colored walls of the tiny island of Malta, strangers slip into the shadows and anyone can buy a new name. Rosalie Delacroix flees Paris for a dancer's job in the bohemian clubs deep in its winding streets. A sister with a secret. 1944. Running from the brutality of war in France, Florence Baudin faces a new life. But her estranged mother makes a desperate request - to find her vanished sister, who went missing years before. A rift over generations. Betrayals and secrets, lies and silence hang between the sisters. A faded last letter from Rosalie is Florence's only clue, the war an immovable barrier - and time is running out.