A young Austrian girl is kidnapped and held in captivity for eight years. Based on the real-life case of Natascha Kampusch. A young Austrian girl is kidnapped and held in captivity for eight years. Based on the real-life case of Natascha Kampusch. A young Austrian girl is kidnapped and held in captivity for eight years. Based on the real-life case of Natascha Kampusch. A young Austrian girl is kidnapped and held in captivity for eight years. Based on the real-life case of Natascha Kampusch.