She came to the end of the world to disappear.Dr. Wren Calloway has spent forty-seven days alone at a remote Arctic research station in Alaska's Brooks Range — a reinforced cabin bolted to a granite shelf at four thousand feet, sixty miles from the nearest human being. She's there to study wolverines. That's the official reason. The real one is buried under the snow with everything else she left behind: the man who controlled her, the bruises she stopped explaining, the university ...

She drove north until the road disappeared. He built a kingdom on the ice so he'd never have to go back.Wren Calloway isn't her real name. The woman behind the stolen identity, the taped wrists, and the flawless ice road driving record is Maren Kirby — a federal witness who fled a violent DEA agent husband in Montana with nothing but a dead woman's Social Security number and a flash drive full of evidence that could destroy him.Two years of running brought her to the edge o...