While doing a thesis about violence, Ángela finds a snuff video where a girl is tortured until death. Soon she discovers that the girl was a former student in her faculty...

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 journe...

Milos, a retired porn star, leads a normal family life trying to make ends meet. Presented with the opportunity of a lifetime to financially support his family for the rest of their lives, Milos must participate in one last mysterious film. From then on, Milos is drawn into a maelstrom of unbelievable cruelty and mayhem.

Some crew members of a company shooting a horror film begin to suspect that the "killings" in the movie are real, and that they are actually making a "snuff" film.

A European man sets up a business in Korea to deal in snuff films. The police quickly catch on to his dealings and attempt to hunt him down.