"Leila McKay is both blessed and cursed. Her potent serryn powers are growing stronger, but they come with a heavy price. And to prove her love for vampire leader Caleb, she needs to bring his murdered brother Jake back to life. The only way is to cast a spell no one has dared to attempt before, that could tear apart the fabric of time itself...But Caleb fears that treachery runs deep in Leila's veins. Although the heat between them grows hotter by the second, Caleb's past has left him with a hard heart and a mistrustful nature, and it was at her sister's hands that Jake was killed... but with his brother's life in the balance, giving in to his primal instincts is more tempting than ever.Time is running out for Caleb. In a matter of hours, Jake will be past the point of saving: and around them, all-out war rages in Blackthorn. With genetically modified lycans and vicious convicts roaming the streets, Sirius Throme at the Global Council has secret plans that threaten to devastate the whole district... and Leila is the only one powerful enough to save them all. But can Caleb really trust her?With countless lives at stake, will Leila and Caleb's fierce attraction be strong enough to see them through the ultimate test? Or in unleashing the darkness within, will they destroy everything they hold dear?"--Publisher description.