While dabbling in Satanism, Count Karstein resurrects Mircalla Karnstein who initiates him into vampirism. As a rash of deaths afflicts the village, Gustav the head of Puritan group leads his men to seek out and destroy the pestilence. One of his twin nieces has become inflicted with the witchcraft but Gustav's zeal and venom has trapped the innocent Maria, threatening her with a tortuous execution, whilst Frieda remains free to continue her orgy of evil.
| Writing | Tudor Gates | Screenplay |
| Camera | Dick Bush | Director of Photography |
| Production | Michael Style | Producer |
| Directing | John Hough | Director |
| Writing | Sheridan Le Fanu | Characters |
| Production | Harry Fine | Producer |
| Sound | Harry Robertson | Original Music Composer |
| Editing | Spencer Reeve | Editor |
| Art | Dragoljub Ivkov | Production Design |
| Crew | Ron Barron | Sound Recordist |
| Sound | Philip Martell | Music Supervisor |
| Costume & Make-Up | John Webber | Makeup Artist |
| Costume & Make-Up | George Blackler | Makeup Artist |
| Costume & Make-Up | Pearl Tipaldi | Hairstylist |
| Art | Roy Stannard | Art Direction |
| Camera | Dudley Lovell | Camera Operator |
