The gritty urban fantasy series continues as Chicago agents investigate the disappearance of a suspected vampire in a bloody jailbreak.

Three weeks after the events of Nightshades, things are finally beginning to settle for Chicago's Bureau of Preternatural Investigations. But the brief respite from the horror of the previous few weeks was never destined to last.

The team gets a call from Switch Creek, IL, where a young man has been arrested on suspicion of being a shade. The suspect is held overnight, pending DNA testing—only to disappear in a terrifying massacre. But is there more to the jailbreak than a simple quest for freedom?