This is book 9 of the Eternal Flames series, you should read Eternal Flames 1-7 and book 1-4 of Eternal Flames Maddox before this book. Detective Viktor Capri and pixie warrior Baldwin, a Griffion, have spent years partnered up, hunting down threats to the town of Crystal and dancing around their attraction to each other. When the humans of Crystal start showing up murdered around town with two puncture marks in their necks, appearing as if they were attacked by a vampire, Vik and Baldwin know they must find who is responsible before the humans decide they no longer want the paranormals in their town. As the body count grows, the sexual tension between Vik and Baldwin heat up and they can no longer fight their attraction. One heated encounter leaves them both shocked to learn that they are mates, and confused as to how they didn't know it all this time. When the latest murder hits close to home, a new clue, and a new ally, help the pair move closer to figuring out who is really to blame. When the killer's true identity is revealed, it will rock the town of Crystal to its core.