A vampire detective. Paris, 1860. The Banat Castle—aristocratic vampire families gather here from all corners of Europe. The reason is that for centuries they’ve had a secret breeding program aimed at creating perfect blood. And at last, a person with such blood is born—she’s called Golden. But the Golden is found murdered and completely drained of blood. Michael Beheim—once a detective, but for the past two years already a vampire and a member of the Family—is assigned to investigate this case…