Isolated at the South Pole with no communication with the rest of the world, a band of survivors discovers a Kharkovchanka snow tractor with three dead Russians inside. When the frozen Russians thaw out and attack them, they soon comprehend the reason for the eerie radio silence. Now, some of them are turning zombie as well, devouring their former friends and colleagues. Faced with a frozen death at the base of the world, or a dangerous journey to McMurdo Base, they choose McMurdo. They soon discover that they may have made the wrong choice.