Caleb has spent the last six months adjusting to life possessed by the vampire spirit Gray. Unfortunately, after the events of Fort Sumter, the other agents of SPECTR view him more as a ticking time bomb than a co-worker.

The one bright spot is Caleb and Gray’s boyfriend, federal exorcist John Starkweather. But John has problems of his own. A supernatural killer is on the loose in Charleston, stealing the hearts of its victims to extend its own unnatural life.

With the help of a rookie agent, John, Caleb, and Gray must find the killer before it strikes again…or before they become the demon’s next victims.