2009: Caroline wakes up in a Paris hospital with no memory of her past. Slowly regaining recollections of a man and a young child, she vows to piece her life back together. 1943, Nazi-occupied Paris: Céline, a young widow, tries to build a new life for her daughter while working in her father's flower shop. When a ruthless German officer discovers her Jewish ancestry, Céline is forced to play a dangerous game to secure the safety of her loved ones. Caroline discovers Céline's letters, realizes her apartment harbors dark secrets-- and she may have more in common with Céline than she could have ever imagined. -- adapted from jacket