Mediator Ayala Storme handles PR by day and kills demons by night. She avoids Mediator luncheons and a fellow Mediator who's been trying to get in her pants for years. She does her job. She keeps her sword clean and her body count high. But when a rash of disappearances leads her to discover that Nashville's hellkin are spawning a new race of monster in human hosts, Ayala will be the first line of defense against these day-walking killers. That is, until one of the creatures saves her life. Ayala's new knowledge of the hybrids' free will challenges everything she's ever known about her job. Racing the clock while trying to outrun her comrades and enemies alike, she's not sure who will catch her first...