Dominic Serrano....vampire and member of the Agency, sorta like vampire feds so to speak. They're constantly at war with The Darkblood Alliance, Rogue vampires that treat humans like cattle. The alliance's main focus at the moment is capturing humans that have a rare blood type known as "Sweetblood" and its up to The Agency to stop them. One night after chasing down the aforementioned Darkbloods, Dom gets shot by silver. Mackenzie, while at a cemetery stumbles across an injured Dominic and tries to aid him. There's only one problem with that....she has the rare blood type, Sweetblood...highly addictive and once Dom bites her it will be near impossible for him to stop! Because of her bloodtype the Darkbloods are after her and Dom must protect her at all costs. What begins as a normal job turns into much more as Dominic might have found the one woman that can capture his heart forever. 
 Great story! Although the concept wasn't quite original. I really enjoyed myself! It was pretty Hot and suspenseful. It was a little predictable but entertaining all the same. I will definitely continue the series. The characters really came alive to me....I enjoyed Mackenzie's spunk and willingness to protect what was left of her family. It really pulled at my heart strings because she wanted to love and wanted to be loved by someone, but it was impossible for her because everyone in her family(save her mom and brother) disappeared. So she saw no reason to get into a relationship since she knew oneday she would disappear as well. I loved Lily...a sexy vixen with a mouth like a trucker..lol! Dominic was sexy as hell and I would let him bite me anytime...4 stars;)