A vengeful witch, Asa Vajda, and her fiendish servant, Igor Jauvitch, return from the grave and begin a bloody campaign to possess the body of the witch's beautiful look-alike descendant: Katia. Only a handsome doctor with the help of family members stand in her way.

A spaceship is sent to Mars after an alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster. (Uses footage from Encounter in Space (1963).)

A plague of vampirism is sweeping New York. Susan has recently been turned now she needs to find her first victim. She seduces, then infects her boyfriend Burt. He infects Jasmine, who then ravishes Kate and so it goes on.

The German police cannot solve the mystery of the seven murders which have alarmed the local villagers. They call in Inspector Doren of Interpol, and the only clue the Chief Constable can give the detective is the fact that, each time a murder was committed, the electric lights in the whole neighborhood went out. The locals believe tha...

Anthropologist Joe Weber takes his son on a trip to the New England town of Salem's Lot, unaware of its vampire population. When the inhabitants reveal their secret, they seek Weber to write a bible for them.