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.
A college paleontology professor acquires a newly discovered specimen of a coelacanth, but while examining it, he is accidentally exposed to its blood, and finds himself periodically turning into a murderous Neanderthal man.
Newlyweds Eric and Jenni Whitlock retire to his desolate mansion, where Eric's first wife Marianne died from a mysterious freak accident. Jenni, who has a history of mental illness, begins to see strange things including a mysterious skull, which may or may not be a product of her imagination.
In order to help bring Nazis to justice, U.S. government agent T.R. Devlin recruits Alicia Huberman, the American daughter of a convicted German war criminal, as a spy. As they begin to fall for one another, Alicia is instructed to win the affections of Alexander Sebastian, a Nazi hiding out in Brazil. When Sebastian becomes serious about his relationship with Alicia, the stakes get higher, and Devlin must watch her slip further undercover.
The Wolf Man tries to warn a dimwitted porter that Dracula wants his brain for Frankenstein monster's body.
Frankenstein's unscrupulous colleague, Dr. Bohmer, plans to transplant Ygor's brain so he can rule the world using the monster's body, but the plan goes sour when he turns malevolent and goes on a rampage.
Grave robbers open the grave of the wolf man and awaken him. He doesn't like the idea of being immortal and killing people when the moon is full so tries to find Dr. Frankenstein, in the hopes that the doctor can cure him. Dr. Frankenstein has died; however, his monster is found.
One of the sons of late Dr. Henry Frankenstein finds his father's ghoulish creation in a coma and revives him, only to find out the monster is controlled by Ygor who is bent on revenge.
Working-class British housewife Myra Savage reinvents herself as a medium, holding seances in the sitting room of her home with the hidden assistance of her under-employed, asthmatic husband, Billy. In an attempt to enhance her credibility as a psychic, Myra hatches an elaborate, ill-conceived plot to kidnap a wealthy couple's young daughter so that she can then help the police "find" the missing girl.
Deranged scientist, Gustav Niemann, escapes from prison and overtakes the director of a traveling chamber of horrors, soon reviving the infamous Count Dracula, the frozen Frankenstein Monster, and the Wolf Man.
In Depression-era West Virginia, a serial-killing preacher hunts two young children who know the whereabouts of a stash of money.
Dr. Kildare's friend Dr. Gillespie is called in to investigate when a young man suffering from mental problems disappears on a killing spree.
While her son, Kichi, is away at war, a woman and her daughter-in-law survive by killing samurai who stray into their swamp, then selling whatever valuables they find. Both are devastated when they learn that Kichi has died, but his wife soon begins an affair with a neighbor who survived the war, Hachi. The mother disapproves and, when she can't steal Hachi for herself, tries to scare her daughter-in-law with a mysterious mask from a dead samurai.
Dr. Henry Jekyll believes that there are two distinct sides to men - a good and an evil side. He believes that by separating the two, man can become liberated. He succeeds in his experiments with chemicals to accomplish this and transforms into Hyde to commit horrendous crimes. When he discontinues use of the drug, it is already too late.
Dr. Jekyll believes good and evil exist in everyone and creates a potion that allows his evil side, Mr. Hyde, to come to the fore. He faces horrible consequences when he lets his dark side run amok.
As American policemen in London, Bud and Lou meet up with Dr. Jekyll and Mr. Hyde.
Henry Frankenstein pieces together body parts in the hope of bringing a human-like creature to life. The mad scientist’s dreams are shattered by his monstrous creation awakening with rage to a world that hates and fears him.
As the Allied forces approach Paris in August 1944, German Colonel Von Waldheim is desperate to take all of France's greatest paintings to Germany. He manages to secure a train to transport the valuable art works even as the chaos of retreat descends upon them. The French resistance however wants to stop them from stealing their national treasures but have received orders from London that they are not to be destroyed. The station master, Labiche, is tasked with scheduling the train and making it all happen smoothly but he is also part of a dwindling group of resistance fighters tasked with preventing the theft. He and others stage an elaborate ruse to keep the train from ever leaving French territory.
The life of a successful radiologist spirals out of control when she sees the spitting image of herself driving down a London street. While attempting to uncover who the imposter could be, she stumbles into a terrifying mystery that her family and closest friends are somehow involved in, leaving her with no one to trust.
A mathematical genius discovers a link between numbers and reality, and thus believes he can predict the future.