In the icy depths of Antarctica, a rescue team uncovers a hellish force that reanimates the dead, transforming a frozen outpost into a blood-soaked battleground where the undead refuse to stay buried. The U.S. military's secret mining operation in the region is shrouded in mystery, and when personnel go on the rampage, two operatives must navigate treacherous corridors, eerie landscapes, and their own mortality to survive the apocalypse.