At the beginning of part one, we're given a brief history of black metal and its several waves, which is then followed by the actual interviews with each artist.
The documentary crew visits each artist in his home to conduct the interviews. Whitehead and Conner are both in California (Oakland and Alhambra, respectively), whereas Menzies lives in the middle of nowhere in Maydena, Tasmania.
Unfortunately, only part one is currently available to watch at Noisey. However, parts two and three should become available in the coming weeks.