Sin on a Dark Knight

Just when I'm nearly ready to escape the marriage I thought would be salvation, I return home to find that someone else has set me free by murdering my husband.

Free...

If I can just stay alive long enough to enjoy it, because it looks like the vampires that killed him are still hungry and I look like a snack. On the run from one sexy sounding vampire, I fall into the lap of the most gorgeous man I have ever seen. He says he is no better than the guy after me, but he saves my life.

What's one ...