A reformed criminal is blackmailed when three girls are murdered.

Brilliant electronics scientist Merrill is in the vicinity when a computer technician is murdered. He finds himself one of six suspects, all computer wizards. The six hackers team up to solve the murder themselves, meaning that only five of them is truly interested in unearthing the mystery.

An author sells his novel to a movie studio and his newborn son is kidnapped and held for $1 million ransom shortly after.

In this spoof of espionage adventure stories, cigarette lighter salesman Lebow is actually the leader of a secret American intelligence agency, while married couple Bob and Cynthia are undercover agents. Meanwhile a spy who was dead and buried appears to have returned to the living.

A woman enters into a pact with the Devil to murder her husband.

A pair of detectives are faced with murder at a plush health spa for women.

Private pilot Tink Wilson flies in a shipment of narcotics to be delivered at the military academy where his cadet son Chuck will graduate that night. Following the exchange, a unseen assailant shoots and kills Wilson, while Chuck and his military rifle go missing.

Backwoods officers try to uncover clues about the mysterious death of a young woman at a dude ranch.

A psychotic killer holds six people captive in a sorority house, each of them realizing that their captor's mind is like a defective time bomb and could go off at any moment.

After her murder, Diana Bernard sends her spirit to get trapped in Carol Enders so she can expose Diana's killer.

An insurance man is heavily in debt to a money lender and must pay or die.

Eccentric author Henry Aythecliff entices his former wives Anne, Catherine, and Jane to meet with him, where he reveals that he has written a new book which intends to use to blackmail them. Soon after Henry is killed, and the three ex-wives decide to pay a sinister visit to his fourth wife Mary.

A scientist is murdered and his new invention is stolen and held for ransom.

Donna, a beautiful graphic artist, is asked to put in overtime at the advertising agency where she works. Working late into the night, she begins to fear she could be the next target of a strangler who murdered two previous female employees, unaware that the killer is actually one of the colleagues working with her.

The president of an electronic's corporation dies and a mysterious caller tells officials at his company that they will be dead soon too.

A man kills his older brother when he is refused a loan and then is held in bondage by the housekeeper who knows of the murder.