August 20, 2020: Kremlin opponent Alexei Navalny boards a plane. Destination: Moscow. Shortly after takeoff, he collapses, falls into a coma. The beginning of an international political thriller.

Part 1: https://www.zdf.de/dokumentation/zdfzeit/zdfzeit-der-fall-nawalny-102.html
Part 2: https://www.zdf.de/dokumentation/zdfzeit/zdfzeit-der-fall-nawalny-104.html