Fleeing the killers whom they witnessed committing murder, twelve-year-old Annie and her younger brother William escape into the Idaho woods, pursued by the murderers and a group of dirty cops seeking to prevent the youngsters from revealing what they know.

"A brand new novel--and a stunning new heroine--from the #1 New York Times bestselling author"--

"Lisa Power is a tortured ghost of her former self. The author of a bestselling thriller called Thief River Falls, named after her rural Minnesota hometown, Lisa is secluded in her remote house as she struggles with the loss of her entire family: a series of tragedies she calls the "Dark Star." Then a nameless runaway boy shows up at her door with a terrifying story - he's just escaped death after witnessing a brutal murder - a crime the police want...

Sheriff's detective Tony Mendez and child advocate Anne Leone investigate the murder of Marissa Fordham--a case that hinges on a key witness, Marissa's young daughter, Haley--and soon discover the shocking fact that Marissa Fordham never existed.