The 10-episode series introduces Dracula as he arrives in London, posing as an American entrepreneur who maintains that he wants to bring modern science to Victorian society. In reality, he hopes to wreak revenge on the people who ruined his life centuries earlier. There's only one circumstance that can potentially thwart his plan: Dracula falls hopelessly in love with a woman who seems to be a reincarnation of his dead wife.
A public demonstration of Grayson's technology moves forward with catastrophic consequences. Lucy joins the ranks of the undead, Van Helsing exacts a terrible revenge upon Mr. Browning and Lady Jane and her huntsmen attempt to eradicate London of all vampires, culminating with a confrontation and battle-royal between her and Grayson. Finally, Mina discovers the secret of Grayson's obsessive love.