This is the Sixteenth (#16) in an number of tie-in novels of Ravenloft Gothic horror tales dealing with the masters and monsters set in the Demiplane of Dread.
Desperate to escape the terrors of Ravenloft, Marguerite came to Lord Donskoy's castle full of hope for the future. Instead, she found herself betrothed to a mysterious purveyor of flesh whose secret past, like the dead, refused to stay buried. Now Donskoy's marriage has invoked a dark curse, and Marguarite into a web of fear and passion.