Voir sur FrenchStream. 1984 in the GDR. Jürgen and Vera Färber spend their vacation with their children Martha and Mischa in the eastern Harz Mountains. Shortly before returning home, they all play hide-and-seek together in the great outdoors. Mischa disappears without a trace! The police search is fruitless. A few days later, the authorities close the investigation and demand that the Färbers declare their son dead. But Vera and Jürgen refuse to give up.