Anna and Charles are together for a year now. But, Charles is having problems adjusting to being the enforcer. Since the werewolves came out to the human kind he has been disciplining rogues and abusers of the werewolf law. This is taking his toll on him. He has started listening to the ghosts of the ones he has killed. 
 Anna is worried that Charles may start pushing her away. She is not sure she can stand not having an open Bond. She asks the Marrok for help. She thinks a change in scenery will help Charles open up. 
 When a serial killer is loose in Boston, Anna jumps to investigate it. She will be helping the FBI and maybe Charles can start relaxing a bit. 
 However, when they get there, they discovered that someone is targeting werewolves. This makes Charles and Brother Wolf upset. 
 The Fae are very involved in this book and the end of this book is going to impact this series and the Mercy series too. 
 I love Brother Wolf, and Mercy Thompson is top five in my list. I'm in awe of Patricia Briggs and the way she writes her wolves. I don't want her series to end EVER. They are gripping, intelligent, the action scenes are written perfectly. The pain the characters experience are all too real. Her books are a must read. I usually try to read them very slowly since I have to wait another year for a new one. 
 4/5 Fangs 
 cross posted at my blog http://mrsleifs.blogspot