Investigating a serial killer who is leaving his victims gruesomely displayed in mausoleums and underground tombs, FBI Special Agent Craig Frasier and forensic psychologist Kieran Finnegan become increasingly desperate to track down the murderer, who may be targeting Kieran.

Wrapping up a normal day at the office, criminal psychologist Kieran Finnegan is accosted by a desperate woman who shoves an infant into her arms and then flees, only to be murdered minutes later on a busy Manhattan street. Who was the woman? Where did the baby come from? Kieran can't stop thinking about the child and the victim, so her boyfriend, Craig Frasier, does what any good special agent boyfriend would do--he gets the FBI involved. And asks...