In London, after investigating crack addicted junkies for an article in her newspaper, Amy Klein watches a bizarre videotape where an underground group of youngsters in Bucharest apparently become zombies. Amy finds Marla dead with a puzzle cube in her hands. She brings the object to her hotel room, and opens it, beginning her journey to hell.
Gamers who participate in an online role-playing game called Hellworld are invited to a rave whose host plans to show them all the truth behind the Cenobite mythos.
Kirsty Cotten is now all grown up and married. Her memory of the events that took place back at her parent's home and the mental institution have dimmed, but she is still traumatized. A fatal car crash kills Kirsty. Now, her husband finds himself in a strange world full of sexy women, greed and murder, making him believe that he is in hell.