Nelson Orion (Martin Landau) is an architect by profession and paranormal investigator by choice. He is engaged by heiress Vivia Mandore (Diane Baker) who mistakenly…
Anne Barron is a teacher's aide at a daycare center in Boston. One evening, she is relaxing on the playground carousel when someone pulls up on a motorcycle, wearing a…
At Weston Hills Sanitarium in rural Ohio, psychiatric patient Dickie Cavanaugh commits suicide by hanging himself. Cavanaugh's sister gives permission to two…
A wealthy woman is terrorized by recurring dreams regarding her jealous, blind husband who supposedly burned to death in a recent fire. She tries to convince her…
Four college students are stalked by an unknown assailant while staying on campus over the Christmas holidays to help clear out a dormitory which is to be demolished.
Max Renn is the president of CIVIC-TV, a Toronto UHF television station specializing in sensationalist programming. Harlan, the operator of CIVIC-TV's unauthorized…
In a building in Amsterdam, an elevator inexplicably begins to function alone. After a lightning storm causes a power failure and traps four people in the elevator, the…
On vacation, Nora Davis (Letícia Román) arrives by plane in Rome to visit her elderly ailing aunt. Nora's aunt is being treated by Dr. Marcello Bassi (John Saxon).…
Johnny (Stefano Madia) and Jessica (Blanca Marsillach) are two young lovers embroiled in the throes of wild passion. Johnny is a musician is obsessed with sex and…
An unseen man climbs the exterior of a sorority house, where a Christmas party is being held, and enters the attic. The house phone rings, and Jess answers to discover…
When teenage friends Libby Mannering (Andi Garrett) and Kit Austin (Sara Lane) are home alone with Libby's younger sister Tess (Sharyl Locke), they amuse themselves by…
Peter Neal, an American writer of violent horror novels, visits Italy to promote his latest work, Tenebrae. He is accompanied by his literary agent, Bullmer and his…
Jill Johnson (Carol Kane) is babysitting the children of Dr. Mandrakis (Carmen Argenziano) at his home. When the children are asleep, Jill receives a telephone call from…
Before the "Phantom-attacks", which occurred about eight months after World War II, Texarkana was pleasant and citizens were preparing for a good future. On the night of…
The relatives of Gabriel Broughton are summoned to Blackshaw Towers, an old, isolated country house in the middle of moorlands in Yorkshire, to hear the reading of his…
Vic Armstrong arrives at his Uncle Judge Armstrong's home just in time to answer the telephone. Unknown to him, his uncle has just been murdered and the culprit is right…
Minou is a wealthy housewife, who yearns for the attention of her husband Peter. However, Peter is frequently busy at work and is rarely at home. Minou is out one night…
Prostitute Ellen Tinker is brutally murdered in her New York apartment by a man who carries a pair of scissors in his pocket. Homicide detective Lt. "Mac" McCarthy later…
Deeply distraught that her GI ex-boyfriend plans to marry another woman, Norah Larkin agrees to go out on a date with lothario Harry Prebble. Norah\'s drunken night out…
Howard is mild-mannered and slightly simple-minded, with a habit of picking up teenage hitchhikers while driving his delivery routes. Sometimes the girls admit to being…
The Aztec god Quetzalcoatl, a winged, dragon-like, female lizard, takes up residence in the art-deco spire of the Chrysler Building, with frequent jaunts in the midday…
After a fashion model dies while undergoing an illegal abortion, the attending doctor moves her body back to her home, staging her death to remove any trace of his…
In 1959 Dover, England, a woman commits suicide by leaping from a cliff. At the same time, her daughter, Virginia, living in Florence, Italy, sees her mother's death in…
While playing with a puzzle, a teenager is repressed by his mother, and he kills her and severs her body with an ax. Forty years later, in an university campus in…