When the enemy strikes on the eve of her wedding, Wren has no choice but to fight. Captured, she's dragged before the elvish king and given an ultimatum: death or marriage. She submits, biding her time as she plots and spies, determined to strike at the heart of the elvish royalty and take back her family's throne once more. But the more time she spends with her dangerous and achingly handsome husband, the more she finds herself wavering. Only the strong survive the hash moors of the Dragon Isles, and she can't afford to second guess her loyalties. So she must strike hard and fast, never wavering, because it's his heart or hers