As a serial killer stalks the city, Julia — a young actress who just moved to town with her husband — notices a mysterious stranger watching her from across the street.

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 becoming 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.