Set in a bomb-damaged London hotel during the aftermath of World War II, Close to the Enemy is a thriller that follows British intelligence officer Captain Callum Ferguson (Jim Sturgess), whose last task for the Army is to ensure that a captured German scientist, Dieter (August Diehl), hands over secret cutting-edge military technology crucial to national security. Callum employs unorthodox methods in his attempt to convince Dieter to work for the British, developing a friendship with him, which is soon threatened as the German’s involvement in the Nazi war machine may be more than it initially seems.