December 21, 2012 approaches. A reality television production company cashes in on the hype by creating a reality television show based on the 12 signs of the zodiac and 2012 predictions. Unforeseen events derail the show and contestants are no longer competing for millions of dollars but instead forced by a sadistic madman and his demonic followers to take part in a deadly ritual that must be completed before the mark of the winter solstice or forever change the fate of the world.