Undercover

S1 E1: On January 24, 1984, Arne Treholt, a well-known Norwegian career diplomat and politician, left the Foreign Ministry in Oslo on his way to the airport to catch a flight to Vienna. Hours later he sat in a police interrogation room, under arrest, charged with spying for the Soviet Union. This thrilling documentary tells this true story of international espionage and treachery at the highest levels.