I love Vampire stories. Some of my favorites are about Vampires that don't fit the old mold of undead mindless creatures or undead soulless creatures. Sure those stories are interesting in there own right but I love fantasy so I want to read about vampires that are alien creatures or good guys or struggling. 
 The Midnight Breed series is an excellent example of one such story. Yes, they feed off of humans. Yes, they need blood to survive and you could say that some of the vampires in this series are soulless. The premise is that a couple thousand years ago (or something like that) an alien race arrived. They were vicious killers who couldn't be out in the sun. These creatures could breed with special human woman called Breedmates (they have a tiny birthmark that is a crescent with a star). So the next generation of Breed males was born (they only have male vamps). Because of the viciousness of the Ancient Breed Males, some of the First Generation Breed males (their sons) declared war and killed all the Ancients to protect humans from them. Then the Breed Warriors came together to police the race and take down and vampire that fell into the deadly Bloodlust. 
 In the present, the Warriors are fighting to stop a member of their race who sees the humans as creatures to conquer and who has been killing Breedmates. 
 Andreas is not a Breed Warrior. He was the head of a Darkhaven in Germany and had helped the Warriors on more than one occasion. In the previous book, we learn that Andreas's human friend Helene was turned into a mindless Minion of another vampire and sent in to kill everyone who resided at Andreas's Darkhaven (they were mostly family, no children but nephews). Andreas wasn't present during the massacre but arrived after to discover the carnage. The result was an extreme anger over what happened which manifested in his ability which was an all consuming fire that radiated from within him. This fire will destroy everything in its path and so Andreas sets out to find Willem Roth the vampire responsible for the deaths of all those he held dear. 
 Claire is Willem Roth's uphappy Breedmate. She lives separately from her mate who is cold and distant. She doesn't understand him and doesn't really want too. What Claire doesn't know is that Willem took her as a mate because he knew she loved Andreas and he wanted to keep them apart and kill Andreas. 
 Claire's home comes under attack by a nearly invincible assailant and soon discovers that is it Andreas in the grip of the pryo power he has. She flees only to become curious about the man she once loved when the sun starts to rise. She finds him and brings him back to her home, burned from the Suns rays. 
 Things only develop from there as Andreas and Claire realize they still love one another and become bound in their attempt to stop Willem Roth as he works for another Vampire who is killing Breedmates. 
 Lara Adrian really digs deep into the horrors of the criminal mind with this book. We discover the told disregard that Dragos and Willem have for Breedmates who are being used as incubators and then killed. You rarely get foes who are so twisted as to toss a woman into a cage with a vicious alien/vampire to be raped and fed on, though it doesn't entirely come out and say such things. Adrian really gives you a bad guy you can hate and hope is destroyed in the end. 
 Andreas has developed over several of the books and became increasingly more interesting. In this book, I would say his powers and his overall character development were good but not great. He was differently a character I became interested in but was a little disappointed with by the end of the story. I assume his development will continue into other books. 
 Claire was an interesting Breedmate because of her ability but also because she was strong. I have continued to like that the woman of this series are not the timid type as it doesn't seem that timid woman will really work with such men. Claire is ready and willing to jump into the fray and help the Warriors find clues to what Dragos is up too and where he's hiding. 
 I have liked the continued involvement of Teagan as he is my favorite of the Warriors. He grew a lot in his book but we see him taking on the wise old vamp role which is a nice change. He's still a kick ass Vampire but he has become more prominent in the stories. We do still see the other Vampire Warriors but it just seems that Adrian has an affinity for Teagan. 
 I would say that this book is good enough to read if you are liking the series and wish to continue (as it does have development in the conflict of good and evil) but I would say most of the other books in this series were better.