A woman is married to the son of a doctor, the proprietor of a private sanatorium, where she is under unwilling treatment. Both the son and the doctor indicate they want the marriage dissolved. Arriving at the scene is a mysterious personage identified as the doctor's cousin who formerly was a stage magician in Europe. He is accompanied by a threatening dwarf.
Posing as a hip medium, a bloodthirsty old-world undead gent attracts young lovelies to his mansion by holding séances in modern-day Los Angeles.
Rasputin, a crazed and debauched monk wreaks havoc at the local inn one night, chopping off the hand of one of the drinkers. As the bitter locals plan their revenge, the evil Rasputin works his power over the beautiful women who serve at the Tsar's palace. Even the Tsarina herself is seduced by his evil ways and, as his influence begins to dominate government policy, there is only one course of action left... to destroy him before he destroys them all.
A writer of murder mysteries finds himself caught up in a string of murders in London.
A tabloid writer has evidence of the assassination of a US Senator. A visit from a scrupulous FBI agent suggests he may know more than he's admitting about the assassination and the key may reside in the recesses of the writer's dark past.
A playwright descended from the Borgia family becomes a murder suspect.
Dr. Eric Vornoff, with the help of his mute assistant Lobo, captures twelve men for a grisly experiment; His goal to turn them into supermen using atomic energy. Reporter Janet Lawton, fiancée of the local lieutenant, vows to investigate Vornoff's supposedly haunted house.
A mysterious hypnotist is suspected by the police of being responsible for a wave of young, attractive women committing various forms of self-mutilation.
Dr. Hohner, theatre physician at the Vienna Royal Theatre, murders his mistress, the star soprano when his jealousy drives him to the point of mad obsession. Ten years later, another young singer reminds Hohner of the late diva and his old mania kicks in. Hohner wants to prevent her from singing for anyone but him, even if it means silencing her forever.
A music maestro uses hypnotism on a young model he meets in Paris to make her both his muse and wife.
A student and her photographer boyfriend visit an island off of Massachusetts to research a hotel supposedly haunted by a witch.
American professor John Holden arrives in London for a conference on parapsychology only to discover that the colleague he was supposed to meet was killed in a freak accident the day before. It turns out that the deceased had been investigating a cult lead by Dr. Julian Karswell. Though a skeptic, Holden is suspicious of the devil-worshiping Karswell. Following a trail of mysterious manuscripts, Holden enters a world that makes him question his faith in science.
Lost Caverns Resort Hotel bellhop Freddie Phillips gives an empty threat to one attorney Amos Strickland, and is shortly fired. When Freddie visits his guest's suite to apologize, he finds Strickland dead of a gunshot wound. As the investigators file in, Freddie becomes the scapegoat of the guests in the hotel, who all had a bone to pick with Strickland. It's now up to Freddie and Detective Casey Edwards to find out who the real killer is, all the while avoiding the many vigorous and violent villains staying at the resort.
Jerry, his girlfriend Angela, and their friend Harold take a trip to a local seaside carnival, but when the carnival's fortune teller, Madame Estrella, predicts death for someone close to Angela, strange things begin to happen.
A frustrated detective deals with the case of several gruesome murders committed by people who have no recollection of what they've done.
While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.
Child psychologist Carter Nix is a loving and caring family man, but under this appearance lies a dark and troubled past. Grappling with the consequences of this past on his own psyche and the influence of his returning father and violent brother Cain, Carter becomes involved in a series of murders and kidnappings. Meanwhile, his wife Jenny rekindles an old love affair, placing herself in the crosshairs of her increasingly unstable husband.
The famous psychologist Xu Ruining has a raising career, when he met the troublesome patient Ren Xiaoyan. The meeting is not easy as feeble-looking Ren is point by point against him.
Once hounded from his castle by outraged villagers for creating a monstrous living being, Baron Frankenstein returns to Karlstaad. High in the mountains they stumble on the body of the creature, perfectly preserved in the ice. He is brought back to life with the help of the hypnotist Zoltan who now controls the creature. Can Frankenstein break Zoltan's hypnotic spell that incites the monster to commit these horrific murders or will Zoltan induce the creature to destroy its creator?
A young woman, Margaret Dauncey, is caught between the forces of a charlatan magician, Oliver Haddo, whom she is unable to resist, and the love of a handsome surgeon, Arthur Burdon, who has saved her from being a helpless cripple by performing a delicate operation on her spine.