Sylvia Walton returns from Harlem to take over a Jamaican plantation from her vindictive half-sister, amid the growing sound of drums.
A mad doctor is determined to take revenge on the family he believes is responsible for his daughter's death.
In 1828 Scotland, Edinburgh surgeon Dr. Knox does medical research on cadavers he buys from murderers Burke and Hare, without questioning the unethical procurement methods.
An American reporter smells a story when he is stranded in an Iron Curtain country where the local dictator is using gamma rays to transform children into mutated henchmen.