Johannes, a new assistant at the university, is asked to provide reports on an Algerian colleague – who is suspected of being a sleeper. He refuses, but the seed of doubt has been planted. A fragile friendship which is overshadowed by professional and emotional competition eventually leads to betrayal. (Benjamin Heisenberg) —IMDb
Benjamin Heisenberg (born 9 June 1974) is a German film director and screenwriter. He has directed seven films since 1996. His film Schläfer was screened in the Un Certain Regard section at the 2005 Cannes Film Festival. His 2010 film, The Robber, was nominated for the Golden Bear at the 60th Berlin International Film Festival. He is also the grandson of Nobel Prize winning physicist Werner Heisenberg via father Martin Heisenberg. —Wikipedia