August Underground’s Penance is the personal home video of two sociopathic killers on a murder spree. Again two killers videotape their bloodthirsty madness, but Penance also shows their slow decline.

Set against Sin City, Las Vegas, a fashion photographer whose vocation is murder becomes a voyeuristic nightmare of blood, sex, and brutality.

Two deranged friends bring along another guy to go on a random murder rampage. They kidnap lesbian lovers and couples and torture them.