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.
- Original title: Cold Case Hammarskjöld
- Release date: Feb. 7, 2019
- Status: Released
- Genres: Documentary, History
- Runtime: 2h 9min
- Producers: SVT, Piraya Film, DR, YLE, BBC Storyville, RTBF, VRT, RÚV, Wingman Media, The Bertha Foundation, Laika Film & Television, VPRO TV, Associate Directors, Against Gravity, GEO Television and SH Channel 8