Elk Pass is a town cloaked in darkness and plagued by an unknown evil, where twenty years earlier all but one of the town's children were stolen. That remaining child, now the deputy sheriff, is left to unravel corruption and cover up when his mentor, the town sheriff, dies unexpectedly. The mystery unfolds as a snow storm blows in, threatening to isolate the town, leaving Deputy Bobby Taylor to deal with a plague of rats and the monsters, both human and fae, that follow.