In 1989, physicist Bob Lazar broke the story of Area 51 and the US government's work on alien spacecrafts. He blew the whistle, shocked the world, then went silent - until now.。Felix from West-Berlin falls in love with Thomas in East-Berlin. At first they keep their relationship going by regular visits from Felix, but the curfew forces him to return every evening. When the East-German authorities become suspicious, Thomas decides to try and flee to the West.。Some of the Season 4 episodes were aired during Season 3 to compensate for episodes in that season being pushed back.。