A detective starts spiraling out of control when a wave of gruesome murders with seemingly similar bizarre circumstances is sweeping Tokyo.
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.
Reports of strange activities out by the Old Willow's place signal new adventures for Kelton the Cop & Co. An apparent mystic, Dr. Acula is engaging in rituals designed to raise the dead. But he may get more than he bargained for...
A writer of murder mysteries finds himself caught up in a string of murders in London.
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 mysterious hypnotist is suspected by the police of being responsible for a wave of young, attractive women committing various forms of self-mutilation.
A playwright descended from the Borgia family becomes a murder suspect.
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?
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.
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.
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 music maestro uses hypnotism on a young model he meets in Paris to make her both his muse and wife.
A scientist working on cures for rare afflictions, such as a bone softening agent made from molds to allow him to correct the spinal deformity of his nurse, finds the physical causes of lycanthropy in wolf-man Larry Talbot and of vampirism in Count Dracula, but himself becomes afflicted with homicidal madness while exchanging blood with Dracula.
Lost Caverns Hotel bellhop Freddie Phillips is suspected of murder. Swami Talpur tries to hypnotize Freddie into confessing, but Freddie is too stupid for the plot to work. Inspector Wellman uses Freddie to get the killer (and it isn't the Swami).
Sherlock Holmes investigates when young women around London turn up murdered, each with a finger severed. Scotland Yard suspects a madman, but Holmes believes the killings to be part of a diabolical plot.
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.