Louis is an amateur photographer. On his walk through the woods he is approached by a mysterious girl. Fascinated by her, it is only later that he realizes that he is not in any ordinary forest.
Berlin, 1989. Helena and Louise are happy in their relationship if it wasn't for this huge wall separating them. The only solution is writing letters. But what the two of them don't know is that Stasi officer Bernd who works for the surveillance department, is enjoying their constant letter...