There's a pub in New York City that's been in the Finnegan family for generations. Now Kieran and her three brothers own it. Kieran Finnegan is also, as it happens, a criminal psychologist--a fitting reaction, perhaps, to her less-than-lawful teenage past. Meanwhile, New York's Diamond District has been hit by a rash of thefts. No one's been killed - until now. FBI agent Craig Frasier is brought in to investigate; he and Kieran meet at a jewelry store...

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...