We follow the efforts of Ester Gatti to find her missing granddaughter Mariana Zaffaroni. As a child, Mariana and her parents were kidnapped by a Uruguayan military team. The little girl was taken by an agent in the intelligence service who brought her up as his own daughter. Sixteen years later Ester found Mariana, but the girl chose to go on living with the people who had kidnapped her. This documentary raises questions about identity, memory and the value of truth..