A group of workers on a remote Scottish oil rig are due to return to the mainland when a mysterious fog enshrouds them and supernatural forces take hold.

It's the late 19th century, and the mysterious Dracula has arrived in London, posing as an American entrepreneur who wants to bring modern science to Victorian society. He's especially interested in the new technology of electricity, which promises to brighten the night - useful for someone who avoids the sun. But he has another reason for his travels: he hopes to take revenge on those who cursed him with immortality centuries earlier. Everything seems to be going according to plan... until he becomes infatuated with a woman who appears to be a reincarnation of his dead wife.