When one of his patients is found murdered, psychiatrist Dr. Sam Rice is visited by the investigating officer but refuses to give up any information. He's then visited by the patient's mistress, Brooke Reynolds, whom he quickly falls for despite her being a likely murder suspect. As the police pressure on him intensifies, Rice decides to attempt solving the case on his own and soon discovers that someone is trying to kill him as well.
Phil and Kate select the winsome young Camilla as a live-in nanny for their newborn child, but the seemingly lovely Camilla is not what she appears to be...
When a dispute occurs between a logging operation and a nearby Native American tribe, Dr. Robert Verne and his wife, Maggie, are sent in to mediate. Chief John Hawks insists the loggers are poisoning the water supply, and, though company man Isley denies it, the Vernes can't ignore the strangely mutated wildlife roaming the woods. Robert captures a bear cub for testing and soon finds himself the target of an angry mutant grizzly.
A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.
A masked serial killer with psychosexual issues strangles female coeds with scarves before dismembering them. When a wealthy student identifies one of the scarves and thinks she has a lead on a suspect, she becomes the killer's next target, retreating to her family's remote cliffside villa with three of her girlfriends.
Mike Locken is one of the principal members of a group of freelance spies. A significant portion of their work is for the CIA, and while on a case for them one of his friends turns on him and shoots him in the elbow and knee. His assignment, to protect someone, goes down in flames. He is nearly crippled, but with braces is able to again become mobile. For revenge as much as anything else, Mike goes after his ex-friend.
A repressed Catholic NYPD detective uncovers a netherworld of deranged faith, alien insemination and his own unholy connection to a homicidal messiah with a perverse plan for the soul of mankind.
Bubba, an intellectually disabled man, is falsely accused of attacking a young girl. Disguised as a scarecrow, he hides in a cornfield, only to be hunted down and shot by four vigilante men. After they are acquitted due to lack of evidence, the men find themselves being stalked one by one.
An 18th century African prince is turned into a vampire while visiting Transylvania. Two centuries later, he rises from his coffin attacking various residents of Los Angeles and meets Tina, a woman who he believes is the reincarnation of his deceased wife.
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.
Citizens of a small town are infected by a biological weapon that causes its victims to become violently insane. As uninfected citizens struggle to survive, the military readies its own response.
Jimmie Rainwood was minding his own business when two corrupt police officers (getting an address wrong) burst into his house, expecting to find a major drug dealer. Rainwood is shot, and the officers frame him as a drug dealer. Rainwood is convicted of drug dealing, based on the perjured evidence of a police informant. Thrown into a seedy jail, fighting to prove his innocence is diffucult when he has to deal with the realities of prison life, where everyone claims they were framed.
Wealthy slacker college student Mark, his new girlfriend Sarah, and their friends are invited to a special showing at a mysterious wax museum which displays 18 of the most evil men of all time. After his ex-girlfriend and another friend disappear, Mark becomes suspicious.
After a doctor kills his mistress and himself while researching the mysterious previous owner of his Boston home, his colleague, Dr. Norman Boyle, takes over his studies and moves his family into the Boston mansion. Soon after, Boyle's young son Bob becomes plagued by visions of a young girl, who warns him of the danger within the house.
Ghoulies II picks up a short time after the first movie, a few of the little nasties stow away on an amusement park ride and bring big bucks to a dying fair. The creatures are mad after an attempt to kill them, so the creatures go on a rampage through the fairgrounds, ultimately leading to an explosive conclusion!