A&E doctor Kate North has been knocked out of her orbit by a personal tragedy. So when she's offered the opportunity to be an emergency replacement at the UN research station in Antarctica, she jumps at the chance. The previous doctor, Jean-Luc, died in a tragic accident while out on the ice. But as total darkness descends for the winter, Kate begins to suspect that Jean-Luc's death wasn't accidental at all. Chilling and atmospheric.