Obsession

Hunter is a ruthless killer. And the Department of Defense has him firmly in their grasp, which usually doesn't chafe too badly because he gets to kill bad guys. Most of the time he enjoys his job. That is, until he's saddled with something he's never had to do before: protect a human from his mortal enemy.

Serena Cross didn't believe her best friend when she claimed to have seen the son of a powerful senator turn into something...unnatural. Who would? But then she witnesses her friend's mur...