Dr. Paul Carruthers is frustrated because he thinks his employers, Mary Heath and Henry Morton, have cheated him out of the company's profits. He decides to get revenge by altering bats to grow twice their normal size and training them to attack when they smell a perfume of his own making. He mixes the perfume into a lotion, which he offers as a gift to Mary and Henry. When they turn up dead, a newspaper reporter decides to investigate.
Dr. Bernard Adrian is a kindly scientist who seeks to cure a young woman's polio. He needs human spinal fluid to complete the formula for his experimental serum. Meanwhile, a vicious circus ape has broken out of its cage, and is terrorizing the townspeople. Can there be a connection?
After intrepid working girl Mary Carter becomes the new owner of a reputedly haunted mansion located off the Cuban coast, a stranger phones warning her to stay away from the castle. Undaunted, Mary sets sail for Cuba with a stowaway in her trunk—wise-cracking Larry Lawrence, a radio announcer who helps Mary get to the bottom of the voodoo magic, zombies and ghosts that supposedly curse the spooky estate.
Ten years after the death of millionaire Cyrus Norman, his will is to be read out to his six relatives, including Joyce Norman and Wally Campbell. Organized by Norman's lawyer, Crosby, the six meet at Norman's eerie New Orleans Gothic mansion. During the reading, the superstitious housekeeper declares that someone will be dead by midnight. Wally fears for Joyce when she is declared the sole inheritor, but all are alarmed when Crosby turns up dead.
A young beauty queen travels to New York to further her modelling career, but contracts syphilis after being tricked into a sexual encounter. She is torn between the prospect of a slow, intensive but proven therapy and a supposed miracle cure.
It is England in the 1830s. London's dockside is teeming with ships and sailors who have made their fortune in foreign lands. Sweeney Todd, a Fleet Street barber, awaits the arrival of men whose first port of call is for a good, close shave. For most it will be the last time they are seen alive. Using a specially designed barber's chair, Sweeney Todd despatches his victims to the cellar below, where he robs them of their new found fortunes and chops their remains into small pieces. Meanwhile, Mrs Lovett is enjoying a roaring trade for her popular penny meat pies.
Ebenezer Scrooge, the ultimate Victorian miser, hasn't a good word for Christmas, though his impoverished clerk Cratchit and nephew Fred are full of holiday spirit. In the night, Scrooge is visited by spirits of the past, present, and future.
After a series of murders, a man finds out that his mother was bitten by a vampire bat during her pregnancy, and he believes that he may be the vampire committing the murders.
A black voodoo priestess comes out of the Louisiana swamps to take revenge on the white plantation owner she believes killed her husband. The old conjure woman Mandy returns with her daughter Chloe to their bayou home after fifteen years. Chloe was too young to remember much about the bayou, but once Mandy had been a famous voodoo priestess in these parts. But after the whites lynched her husband Sam, she took her little girl & moved away into the Everglades. She seems to have gone a little mad in the intervening years & has returned swearing a belated vengeance against the murdering white folks.
British Egyptologist, Professor Morlant, seeks immortality through the power of a jewel buried in the tomb of an Oriental idol. Upon his death, Morlant returns to earth to seek vengeance upon those who removed the jewel from his grave.
Rival newspaper reporters Pat Morgan and Ted Rand find themselves unraveling the mystery behind the death of a millionaire philanthropist who fell from his penthouse balcony. When it is discovered that the plunge was not an accident, the building's residents come under suspicion. Soon, the body count begins to mount as three more murders occur by strangulation.
When legendary hunter Bob Rainsford is shipwrecked on the perilous reefs surrounding a mysterious island, he finds himself the guest of the reclusive and eccentric Count Zaroff. While he is very gracious at first, Zaroff eventually forces Rainsford and two other shipwreck survivors, brother and sister Eve and Martin Towbridge, to participate in a sadistic game of cat and mouse in which they are the prey and he is the hunter.
In Haiti, a wealthy landowner convinces a sorcerer to lure the American woman he has fallen for away from her fiance, only to have the madman decide to keep the woman for himself, as a zombie.