Episode two will focus on the city of Mariupol, which has suffered extensive damage as a result of Russia's invasion of Ukraine. Our crew worked with a number of experts to analyze the extent of casualties and what happened to people trying to escape as the city was occupied by Russian forces. What came to light was the harsh reality of how incoming forces segregated people based on their perceived support for Russia. Also revealed were some of the activities of a covert network of Russians supporting Ukrainian refugees.