An American submarine leaves Tierra Del Fuego, and one of its crew has secretly brought aboard a container full of poisonous snakes which escape storage and bite key personnel on the submarine, causing an accident that cripples the vehicle so that it drops to the bottom of the Southern Ocean. Worse still, the snakes are still at large on the submarine and complicate the efforts of the crew to escape the sunken vessel.
Five friends head out to rural Texas to visit the grave of a grandfather. On the way, they stumble across what appears to be a deserted house, only to discover something sinister within. Something armed with a chainsaw.
As the residents of the Pi Kappa Sigma sorority house prepare for the festive season, a stranger begins to harass them with a series of obscene phone calls.
A paranoid, leisure-suit-wearing conman/gigolo named Matt Stone seduces lonely women, bilks them of their savings via an investment scam, then kills them. When he begins seeing an attractive widow, her daughter Tina becomes suspicious of his motives.
Ten people are invited to a hotel in the Iranian desert, only to find that an unseen person is killing them one by one. Could one of them be the killer?
In London, A man who has amnesia attempts to uncover the truth about his identity. A menacing individual accuses him of betrayal, and soon more pieces of his puzzling past begin to fall in place.
Deathly ill Count Dracula and his slimy underling, Anton, travel to Italy in search of a virgin's blood. They're welcomed at the crumbling estate of indebted Marchese Di Fiore, who's desperate to marry off his daughters to rich suitors. But there, instead of pure women, the count encounters incestuous lesbians with vile blood and Marxist manservant Mario, who's suspicious of the aristocratic Dracula.
A notoriously harsh French judge, vacationing at a luxury resort, finds his holiday interrupted when a mysterious killer begins murdering those in and around the hotel.
An unidentified fifteen year-old girl is found hanged after an anonymous tip-off. The girl, Silvia Polvesi, is soon discovered to have been murdered. A peeping tom is caught with photos of her having sex with a teenage drop-out but he is later released due to lack of evidence. The investigation, conducted by Inspector Silvestri and the assistant public prosecutor Vittoria Stori, focuses on the girl's parents. Conspiracies and horrors pile up, as do the body parts.
An ex-convict, troubled by dreams that he strangles women, is hired as the caretaker on an estate owned by three very strange sisters. Soon after his arrival, a serial killer begins slaughtering blonde, blue-eyed women - and leaving their eyeballs in a bowl of water.
An anthropology professor has invited his class to a remote cabin in the mountains to research the mythical Abominable Snowman. Soon after they arrive, strange events begin to befall the students, including sightings of a huge, white, furry creature.
Three showgirls on their way to Las Vegas have car trouble and are stuck all night out in the desert. The next morning cheerful Andre offers them help in fixing their car. However, Andre is really a maniac with a lot of family problems; his mother ran out on him when he was a child so now he keeps kidnapped women chained up in his barn and trains them to perform circus tricks. Andre's father is still around of course, but because the old homestead is next to a nuclear test site he has been transformed into a raving homicidal mutant that Andre keeps locked up in a shed.
When John is released from a psychiatric center where he has been hospitalized for a long time, he decides to move into the house of his dead mother, whose inheritance is in dispute.