It is August, 2006. The disembowelled body of a young woman is fished out of Boston harbour. The distinctive mutilations to the corpse bear all the hallmarks of the killer they call Little Jack. But unlike the six previous victims, Natalie Caldwell was no prostitute. She was a once-beautiful, ambitious and highflying lawyer. As the last person to have seen her alive, Scott Finn, her colleague and ex-lover, comes under intense scrutiny in the ongoing police investigation. With Natalie's death, Finn also inherits the high-profile assignment she was working on. The case, involving a terrorist train bombing, could clinch his career. But the more Finn uncovers about Tannery vs Huron Security, the murkier it all appears. And, as revelation follows revelation, Finn begins to harbour a dark suspicion. Was Natalie the random victim of a deranged psychopath? Or could the case she was working on have some connection with her death? Meanwhile, the city is being terrorised by a vicious serial killer. And Finn begins to fear for his own survival.