A group of motorcyclists on a "treasure hunt" are terrorized by a gang of murderous psychopaths.
Fisher, an ex-detective, decides to take one final case when a mysterious serial killer claims the lives of several young girls. Fisher, unable to find the culprit, turns to Osbourne, a writer who was once respected for his contributions to the field of criminology. Fisher begins to use Osbourne's technique, which involves empathizing with serial killers; however, as the detective becomes increasingly engrossed in this method, things take a disturbing turn.
Confined to a mental hospital, young Kirsty Cotton insists her supposedly dead father is stuck in hell, controlled by sadomasochistic demons after being betrayed by his evil, occult-obsessed wife, Julia. Few believe Kirsty, except the thrill-seeking Dr. Channard, who is intrigued by the young woman's lurid stories. So when Kirsty and fellow patient Tiffany head to hell for a rescue, Channard and Julia are close behind.
A rogue scientist near a small desert town arouses the suspicion of the town's doctor when his lab assistant is found dead from a case of acromegaly, which took only four days to develop. As the doctor investigates, aided by the scientist's new female assistant, they discover that something is devouring local cattle and humans in increasingly large quantities.
A housemaid falls in love with Dr. Jekyll and his darkly mysterious counterpart, Mr. Hyde.
A young boy stays with his aunt and uncle, and befriends his cousin who's the same age. But his cousin begins showing increasing signs of psychotic behavior.
When some very creepy things start happening around school, the kids at Herrington High make the chilling discovery that confirms their worst suspicions: their teachers really are from another planet!
A man accidentally gets into a time machine and travels back in time nearly an hour. Finding himself will be the first of a series of disasters of unforeseeable consequences.
A man emerges with his autistic daughter and three others from a hospital elevator to find themselves trapped in the building with devilish monsters.
Computer hacker Will Farmer engages a government super-computer named Ripley in an online terrorist-attack simulation game. Little does Farmer know that Ripley has been designed to appeal to potential terrorists, and certain software glitches have in turn made him become paranoid.