She’s an ex-soldier for the vampire nation. He’s a hybrid demon assassin. Centuries ago, they fell into like with each other and after a night of passion woke up mated. Now she’s stuck in the Paris catacombs with a killer chasing her and the one person that can help her is her long-lost mate. Can two completely different people find common ground while running for their lives? Will a repeat of their mating night remind them how great they are together, or will they kill one another before they can find out?