When a proposed pipeline creates hostilities between residents of a small town, a newly-arrived forest ranger must keep the peace after a snowstorm confines the townspeople to an old lodge. But when a mysterious creature begins terrorizing the group, their worst tendencies and prejudices rise to the surface, and it is up to the ranger to keep the residents alive, both from each other and the monster which plagues them.

Erica Shepherd is a brilliant former CIA operative, now known as the most notorious traitor in American history serving life in a Supermax prison. Against every fiber of his being but with nowhere else to turn, FBI Agent Will Keaton enlists Shepherd to help track down a fiercely dangerous and elusive criminal she knows all too well. While Shepherd and Keaton have different motivations for bringing the enemy to justice, they both know that to catch a spy... they must think like one.

Erica Shepherd is a brilliant former CIA operative, now known as the most notorious traitor in American history serving life in a Supermax prison. Against every fiber of his being but with nowhere else to turn, FBI Agent Will Keaton enlists Shepherd to help track down a fiercely dangerous and elusive criminal she knows all too well. While Shepherd and Keaton have different motivations for bringing the enemy to justice, they both know that to catch a spy... they must think like one.