A hidden conspiracy. A desperate search. A deadly secret. Elana Bishop is no ordinary woman. A scion of a powerful vampire house, she's also a skilled operative, a savvy businesswoman, and a reluctant Sentinel, a role she never asked for. What she wants is to find her missing friend, Lucia, and unravel the conspiracy that threatens both the human and vampire worlds. Standing in her way is a web of secrets, a ruthless enemy using cutting-edge technology, and a terrifying new virus that could wipe out her kind. To achieve her goal, Elana must navigate a treacherous path of political intrigue, clandestine operations, and deadly confrontations, all while battling her own inner demons and the weight of her mother's legacy. If she fails, Elana risks not only losing her friend, but also condemning both the human and vampire worlds to a future of chaos and destruction. Will Elana find Lucia in time to stop the coming apocalypse? Or will she become another victim of the secrets she seeks to uncover?