Count Dracula, a gray-haired vampire who regains his youth by dining on the blood of maidens, is pursued in London and Transylvania by Professor Van Helsing, Jonathan Harker and Quincey Morris after he victimizes them and their loved ones.
In 17th-century Hungary, elderly widow Countess Elisabeth Nádasdy maintains her misleading youthful appearance by bathing in the blood of virgins regularly supplied to her by faithful servant Captain Dobi.
A hypnotist is able to predict murders by a terrifying sea monster. In reality, he causes the murders through his lovely assistant, who is the reincarnation of the monster.
A mad scientist, who discovered the secret of eternal youth by draining of blood from a young woman, gets executed. His ancestor moves into the home, eventually discovering the scientist's body. He revives him, and the terror continues.
