This is book 2 in the Blood of the Pendragon series. It is recommended that you start with book 1 in this series, The Last Pendragon.
After the events of The Last Pendragon, Elizabeth is left shell-shocked and alone. Waking after nearly dying, she finds both men who hold a special place in her heart, fighting for their lives, leaving her feeling alone and helpless.
Determined to help, she is guided by a mysterious letter and a promise. Leading her on a journey that will take her from the underworld to the elusive beast Kingdom. In search of the one item that could potentially set both men she loves free. That is if it still exists.
With a bounty on her head, the evil queen Lilith is desperate to collect. Time is not on Elizabeth's side.
Fate can be a cruel bitch sometimes, even to her chosen one.