Vampires in Versailles

Versailles, 1683, Alexander Dostenberg and his brother and sister Francis and Renet are living in the most luxurious place in France. They're surround by wealth, gossip, royalty and love. Although seemly normal like the rest of the courtiers, there's something not completely right about them. They can't go out in the sun, no one seems to know much about them, they're pale and always stick to the shadows and they have been dead for a century and a half. And when people are found dead in the streets of Paris and members of the court; all blood drained from their bodies, Alexander and his siblings's secret is close to being exposed and the very thing that's haunting the streets of Paris becomes a threat to the Sun King himself, will France become a haven for the undead or will the Dostenbergs be able face the thing that's hunted them since the beginning?