Jenny Roberts grew up in a house full of men, all involved in law enforcement. So, she knew the odds were stacked against her when she chose to become a cop, from the moment she joined the army to her service as an MP in Iraq and her career as an FBI agent. She's overcome every obstacle placed in her path. But now her future is full of uncertainty and she's full of doubt.A member of an elite counterterrorist "fly team" that thwarted a terrorist plot on the nation's capital, she finds herself on administrative leave for an "agent-involved shooting" to save her partner from being killed by the terrorist behind the attack. But it's not a routine investigation. Her partner, the fly team leader, threw her under the bus when the bureau sanctioned the team for "unapproved methods."At loose ends, she takes a train to the small Wisconsin town where she grew up, despite the fact that she hasn't seen her family for more than a decade. Soon after boarding, a case of mistaken identity puts Jenny on the run with a sadistic killer on her trail.Cut off from the bureau and its resources, Jenny sets out on her own to warn her doppelganger. As soon as she finds the woman, events spiral out of control, and the pair becomes the target of a deadly cross-country chase to Jenny's home town. There, they and Jenny's family make a last-ditch stand against all the forces arrayed against them.But Jenny alone must face the family tragedies that have shaped her-as well as the ruthless killer at the heart of it all.