After Professor Von Helsing kills Dracula, the beautiful Countess Marya Zaleska appears in London. Zaleska seeks the assistance of psychiatrist Dr. Garth to free herself of her father's evil influence. But when a mysterious sequence of events leads Von Helsing and Garth to deduce that she must also be a vampire, they follow the elusive countess to Transylvania to rescue Garth's kidnapped fiancée.
