The FBI is alarmed by the rash of killings on trains throughout the country, and they realize they have to put together a joint task force to tackle it. Through a partnership with the rail police, FBI Special Agent Cailtin Dare is chosen to spearhead the new unit designed to hunt killers using trains across the country.

When the chief suspect in the notorious "peekaboo cop killer" case blew himself up, almost taking lead investigator DCI  Duncan Bone with him, the psychologically damaged detective thought his days on the force were over. But, when another PC is abducted and murdered in the same deranged peekaboo fashion, Bone is persuaded to return to lead the new investigation.

A frozen street performer turned serial killer eludes the FBI and escapes to Paris—where he kills again, luring tourists into his trap—and FBI Special Agent Juliette Hart is dispatched across the world to hunt him down. Juliette’s brilliant mind and European upbringing make her the perfect agent for this case, but being back in Europe resurrects her dark past, and this killer is more diabolical than anyone imagined.

That’s what I had to decide. I had it all. At least that’s what people told me. Beauty, brains, and a rich husband. I deserved it too. My fiancé had cheated on me with my best friend. But, I won in the end, or at least I thought I had. Until Christmas of 1999. My ex-fiancé, Danny, showed up at my parents’ house, wanting to talk to my father. Danny’s a police officer, and my father’s a retired officer. A six-year-old girl had disappeared without a trace, resembling a case my father had worked on years earlier.

Introducing Audible's Thriller of the Year: Silent Child by Sarah A. Denzil, performed by Joanne Froggatt. In the summer of 2006, Emma Price watched helplessly as her six-year-old son's red coat was fished out of the River Ouse. It was the tragic story of the year - a little boy, Aiden, wandered away from school during a terrible flood, fell into the river, and drowned. His body was never recovered. Ten years later Emma has finally rediscovered the joy in life...until Aiden returns.