Das Leben der Anderen (The Lives of Others), by Florian Henckel von Donnersmarck

The movie debut focuses on the horrifying, sometimes unintentionally funny system of observation in the former East Germany. In the early 1980s, the successful dramatist Georg Dreyman and his longtime companion Christa-Maria Sieland, a popular actress, are big intellectual stars in the socialist state, although they secretly don't always think loyal to the party line. One day, the Minister of Culture becomes interested in Christa, so the secret service agent Wiesler is instructed to observe and sound out the couple, but their life fascinates him more and more...