Documentary offering a never-before seen look inside three high security Russian prisons. Cameras go inside Europe's oldest operating jail, Vladimir Central, Russia's largest prison with more than 1,200 inmates, and one of its convicts opens up about killing his brother-in-law for disturbing his daughter's sleep. Cameras also explore the Black Dolphin prison, near the Kazakhstan border, which is home to some of the highest category offenders in the world, and a frozen Siberian prison camp, where two inmates go their separate ways as one gets parole, while the other does not
