Why has a secret from 1914 caused a century of heartache?Troubled by recent loss, Grania Ryan has returned to Ireland and the arms of her loving family. And it is here, on a cliff edge, that she first meets a young girl, Aurora, who will profoundly change her life. Mysteriously drawn to Aurora, Grania discovers that the histories of their families are strangely and deeply entwined . . .From a bittersweet romance in wartime London to a troubled relationship in contemporary New York, from devotion to a foundling child to forgotten memories of a lost brother, the Ryans and the Lisles, past and present, have been entangled for a century. Can Aurora break the spell and unlock the chains of the past?