Watch Cold Case Hammarskjöld (2019) : Full Movies Free Streaming Online Ndola, Northern Rhodesia (currently Zambia), September 18th, 1961. Swedish Dag Hammarskjöld, UN Secretary-General, mysteriously dies in a plane crash. Decades later, Danish journalist and filmmaker Mads Brügger and Swedish researcher Göran Björkdahl investigate the case looking for a definitive closure.