Once a generation, the rift between the paranormal world and the human world opens, allowing supernatural entities to cross. Vampire, demon, or shapeshifter, they can save the world-or send it spiraling into chaos. The next opening of the rift is coming-and its consequences will be deadly. A rogue group of human-hating preternaturals is planning an apocalyptic attack, but the Council of Preternaturals may have found the key to saving the world: Keira...