Count Dracula, a 15th-century prince, is condemned to live off the blood of the living for eternity. Young lawyer Jonathan Harker is sent to Dracula's castle to finalise a land deal, but when the Count sees a photo of Harker's fiancée, Mina, the spitting image of his dead wife, he imprisons him and sets off for London to track her down.

Two spies (Marcel and Remmy), employed by foreign trusts, come to Romania to sabotage Professor Turtureanu's invention.