In this high-voltage sequel to Bram Stoker's classic vampire tale, Baroness Katarina Stephanowski of Rumania - who is actually the widow of Count Dracula - moves to England in search of fresh blood. She gains entrance to the country home of Dr. Vincent Grant and his daughter, Diana. Attracted to Diana's fiance, Jeremy Randolph, the baroness attempts to make him her mate. When the Grants discover Jeremy bitten on the neck and nearly drained of blood, Dr. Grant sends for Lucy Seward. She has survived Dracula's bite herself and realizes what a dangerous adversary they face in his widow. The tension climaxes when the two women, one human, one a monstrous fiend, match wits in a battle over Jeremy's very soul. Int. set.