After undergoing radical surgery for injuries from a motorcycle accident, a young woman develops a strange phallic growth on her body and a thirst for human blood—the only nourishment that will now sustain her.
A psychotic redneck who owns a dilapidated hotel in the backwater swamps of Louisiana kills various people who upset him or his business, and he feeds their bodies to a large crocodile that he keeps as a pet in the swamp beside his hotel.
An American occult novelist battles to save the soul of a young girl from a group of Satanists, led by an excommunicated priest, who plan on using her as the representative of the Devil on Earth.
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.
In foggy London Dr Jekyll experiments on newly deceased women determined to discover an elixir for immortal life. Success enables his spectacular transformation into the beautiful but psychotic Sister Hyde who stalks the dark alleys of Whitechapel for young, innocent, female victims, ensuring continuation of the bloodstained research. With each transformation Sister Hyde becomes the more dominant personality, determined to eventually suppress the frail, ineffectual Dr Jekyll forever.
A social misfit, Willard is made fun of by his co-workers, and squeezed out of the company started by his deceased father by his boss. His only friends are a couple of rats he raised at home, Ben and Socrates. However, when one of them is killed at work, he goes on a rampage using his rats to attack those who have been tormenting him.
A group of Satanic hippies wreak havoc on a small town where a young boy, whose sister and grandfather were victimized by them, tries to get even - with deadly results.