Hunters of the supernatural, the Execution Underground are an elite group tasked with protecting humanity...but what happens when danger collides with desire?

Jace McCannon has one loyalty: the Execution Underground. Despite his mixed blood, his hatred for the werewolves he hunts is legendary. But in his search for a sadistic killer, Jace finds himself face-to-face with a stunningly seductive packmaster...and longing for a night with his mortal enemy.

Nothing can stop Frankie Amato from defending her kind--or catching the rogue responsible for killing women in her territory. For that, this alpha female needs Jace's skills more than she wants to admit. But as their investigation exposes evil truths, need burns into a passion that dare not be fulfilled. For to do so will have deadly consequences for them both....