Three children have been taken from a isolated Alaskan village. Stunned by grief Medora contacts wolf expert Russell Core. Sixty years old, ailing in body and spirit, and estranged from his daughter and wife, Core arrives in Keelut to investigate the killings. Immersing himself in this settlement at the end of the world, he discovers the horrifying darkness at the heart of Medora and learns of an unholy truth harboured by this village. When Vernon Slone returns to discover his son dead and his wife missing, he begins a methodical pursuit across this frozen landscape.