Half-vampire Cat Crawfield is in terrible danger when her true identity is revealed to her enemies, while her lover Bones confronts a vengeful woman out to destroy him, as they try to prevent lethal magic from being unleashed.

After Chicago private investigator Kira Graceling recsues Master vampire Mencheres, the vampire must choose either the woman he craves, or embracing the darkest magic to defeat an enemy bent on his eternal destruction.

Having narrowly averted an (under)world war, Cat Crawfield wants nothing more than a little downtime with her vampire husband, Bones. Unfortunately, her gift from New Orleans' voodoo queen just keeps on giving-leading to a personal favor that sends them into battle once again, this time against a villainous spirit. Centuries ago, Heinrich Krammer was a witch hunter. Now, every All Hallows Eve, he takes physical form to torture innocent women before...