In modern-day Paris, an American is commissioned to write an article about the notorious Vel d’Hiv round up, which took place in Paris, in 1942. She stumbles upon a family secret which will link her forever to the destiny of a young Jewish girl, Sarah. Julia learns that the apartment she and her husband Bertrand plan to move into was acquired by Bertrand’s family when its Jewish occupants were dispossessed and deported 60 years before.