Elena has been given an assignment by her vampire leader—to kill the Vampire King or her family will be eliminated. She goes undercover as a wedding planner for the Vampire King's mating ceremony, and unexpectedly finds passion in the arms of a tall, mysterious vampire named Bash. Nothing has prepared her for the smoldering desire she feels when he touches her. Elena keeps her distance from Bash, but how long can she sacrifice her craving for him and her burning thirst for his blood? For both Bash and Elena, this is a very inconvenient time to fall in love. She cannot allow herself be distracted from her plan to get her family to safety. He is about to be mated in a politically advantageous match. Elena and Bash keep many secrets from each other. Bash is actually Sebastian, the Vampire King she was sent to assassinate. Besides being an undercover assassin, Elena has both vampire and Fae blood in her veins—a potentially lethal combination. Will Elena's assignment end in the death of her kind or bring her together with the love of her life?