The Berlin Wall fell and Moscow’s empire shrunk rapidly. In the so-called "2 + 4 Treaty" regarding Germany, Moscow relinquished control over the GDR and East Berlin. This paved the way for German unification and a new European order.
In 2017, the Russian February and October Revolutions are celebrating their 100th anniversary. The four-part documentary highlights key moments in the history of the Soviet empire and tries to explain them. It also provides a variety of perspectives on life in the former Soviet block countries - from the people who have experienced events first hand and, in some cases, shaped them.