Alexandra Denton has always used her gift of seeing the future to help the fellow members of the Appointed, a group of people who fight evil with their varying paranormal gifts. When Lucifer visits her, she realizes that the darkest of all evil is about to cloak the world and even the Appointed may fall. Now, it is a race against time and things unseen, where even the Appointed's closest friends could be their worst enemies. Can they fight against the newest evil that will touch the world they are supposed to protect or will they become one of the fallen?