After revealing to The Riders that she is the "Heart" their ancient prophesy has foretold of, Cali is forced to explain her dark past to the man she loves, the fabled Angel of Death. Jealousy, suspicion, and betrayal drive The Riders apart. A trip home to New York becomes devastating, when the nature of her true family is revealed, and an old enemy reappears. Will Dean still love her knowing who she is, what she's done, and how many deaths she is responsible for? The prophesy says she's come to save them, to show them the way home. But how can she? Will her powers be enough to save them from damnation, can she even save herself?