"Travis Devine has become a pro at accomplishing any mission he's given. But this time it's not his skills that send him to Seattle to aid the FBI in escorting orphaned, twelve-year-old Betsy Odom to a meeting with her uncle, who's under federal investigation. Instead, he's hoping to lay low and keep off the radar of an enemy -- the girl on the train. But as Devine gets to know Betsy, questions begin to arise around the death of her parents. Devine...