A young American woman traveling in Sofia, Bulgaria, helps a family into a taxi, only to discover once the car has driven away that she has mistakenly kept one of their bags. She finds an urn inside engraved with a name, Stoyan Lazarov. Setting out on a journey to track down the Lazarov family, she realizes that this object is tied to the very darkest moments in the nation's history. From the million copy bestselling author of "The Historian".