In 1957, Dorothy and Edmund Yates were committed to an institution for the criminally insane, she for acts of murder and cannibalism and he for covering up her crimes. Fifteen years later, they are pronounced fit for society and released. However, in Dorothy's case the doctors may have jumped the gun a bit. Edmund and eldest daughter, Jackie, try to discover just how far Mother's bloodlust has taken her. Meanwhile, youngest daughter Debbie begins to explore the crazy roots of her family tree as fully as possible.
Singer-songwriter Winslow Leach seeks revenge on the nefarious music producer Swan, who steals both Winslow's music and his favorite singer for the grand opening of Swan's new rock palace, the Paradise.
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.
Malcolm Shanks is a sad and lonely man, deaf, mute and living with his cruel sister and her husband, who delight in making him miserable. His only pleasure, it seems, is in making and controlling puppets. Thanks to his skill, he is offered a job as a lab assistant to Dr. Walker, who is working on ways to re-animate dead bodies by inserting electrodes at key nerve points and manipulating the bodies as if they were on strings. When the professor suddenly dies one night, Shanks gets the idea to apply their experimental results to a human body, and then to start exacting some revenge.
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.
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.
Two writers and their girlfriends visit the castle of an actor who specializes in playing vampire roles. As the night progresses, they begin to wonder if the man is an actor playing a vampire, or a vampire playing an actor.
As the result of a head injury, brilliant computer scientist Harry Benson begins to experience violent seizures. In an attempt to control the seizures, Benson undergoes a new surgical procedure in which a microcomputer is inserted into his brain. The procedure is not entirely successful.
Five extremely disturbed, sociopathic children escape from their psychiatric transport and are taken in unwittingly by a group of adult villagers on winter vacation.
An outlaw and a scorned husband both team up to track down and kill the man that wronged them. Along the way, the two men meet a hired gun that loves money just as much as he loves the company of women, so the two men decide to hire him in order to help them on their mission. However, things become complicated when the man they all seek to kill has risen to become a wealthy sheriff with a small army of gunmen at his disposal.
A young woman, Amanda Post (Susan Bracken), is summoned to the house in which she grew up to attend to her dying grandmother Harriet (Rhea MacAdams). The place holds bad memories for her; as a child, she witnessed the murder of her mother there, and the mystery assailant was never caught. On returning, she encounters three sinister individuals: Doctor Crawther (Jim Harrell), who refuses to admit the sick woman to a hospital and insists on administering her medication himself; Judge Stemple (Gene Ross), a corrupt local magistrate, and Claude Kearn (Larry O’Dwyer), curator of a nearby museum, who is angling to inherit the old lady’s collection of antique furniture, garments and jewellery. Amanda gives the three vultures their marching orders, only to find herself targeted by a menacing phone caller who knows her every move…