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.
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.
A writer of murder mysteries finds himself caught up in a string of murders in London.
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.
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.
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.
Two psychics place a prostitute under hypnosis in order to learn about her past-life experiences. When they unwittingly send her back in time, she finds herself in the Middle Ages, suspected of being a witch and on the verge of being executed.
Three stories adapted from the work of Edgar Allen Poe: 1) A man and his daughter are reunited, but the blame for the death of his wife hangs over them, unresolved. 2) A derelict challenges the local wine-tasting champion to a competition, but finds the man's attention to his wife worthy of more dramatic action. 3) A man dying and in great pain agrees to be hypnotized at the moment of death, with unexpected consequences.
The wife of a psychoanalyst falls prey to a devious quack hypnotist when he discovers she is an habitual shoplifter. Then one of his previous patients now being treated by the real doctor is found murdered, with her still at the scene, and suspicion points only one way.
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 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.
Concerned about his friend's cocaine use, Dr. Watson tricks Sherlock Holmes into travelling to Vienna, where Holmes enters the care of Sigmund Freud. Freud attempts to solve the mysteries of Holmes' subconscious, while Holmes devotes himself to solving a mystery involving the kidnapping of Lola Deveraux.
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 playwright descended from the Borgia family becomes a murder suspect.
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.
A hypnotherapist uses a temperamental teenager as a guinea pig for a serum which transforms him into a vicious werewolf.
A mysterious hypnotist reverts his beautiful assistant back into the form of a prehistoric sea monster that she was in a past life.
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 student and her photographer boyfriend visit an island off of Massachusetts to research a hotel supposedly haunted by a witch.
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.