Frank has to join the army as a reservist in the GDR. Every day he writes home to his wife in the Erzgebirge. The young couple, who already have a daughter, look for ways to deal with the separation. But their time in the barracks remains lost time, and the description of the weather becomes a cipher for their mental state. Decades later, grandson Elia finds the letters and old photos of his grandparents and turns them into a film.