When Ada’s clubfoot is surgically fixed at last, she knows for certain that she’s not what her mother said she was—damaged, deranged, crippled mentally as well as physically. She’s not a daughter anymore, either. Who is she now?

World War II rages on, and Ada and her brother, Jamie, move with their guardian, Susan, into a cottage with the iron-faced Lady Thorton and her daughter, Maggie. Life in the crowded home is tense. Then Ruth moves in. Ruth, a Jewish girl, from Germany. A German? Could Ruth be a spy?

As the fallout from war intensifies, calamity creeps closer, and life during wartime grows even more complicated. Who will Ada decide to be? How can she keep fighting? And who will she struggle to save?