Baron Zorn keeps his teenaged children locked up and drugged, fearing that his insane wife passed along a congenital curse to them before her own suicidal death. Elizabeth escapes for a brief tryst with a local before being recaptured and subjected to a bleeding process to 'draw out the bad blood.' Emil keeps trying to escape, but is thwarted time and again by his aunt Hilda who runs the house like a prison. One reason the siblings have to be kept apart, is their incestuous attraction to each other. Local wenches are being murdered in the woods, and the superstitious peasants think demons are responsible. A wandering Priest dedicates himself to root out the evil, but isn't taken seriously. Arriving at the castle are two more interested parties: Mountebank scientist-huckster Falkenberg stands to make a small fortune if his strange apparatus can cure the children of their inherited evil. Young Carl simply wants to rescue Elizabeth. As more murders mount, Falkenberg enlists village lass ... Written by Leo
In 1870, a Jamaican colonial family sends its children to Britain for proper schooling, but their ship is taken over by pirates, who become fond of the kids.
People are mysteriously disappearing near a remote Cornish village, where a scientist is experimenting with reviving the dead.