This eye-opening series follows the drama and hardships experienced by four Alaskan households in different corners of this merciless territory as they battle to make it through a long, dark, freezing winter. The huge US state of Alaska boasts some of the world's most deadly weather, with temperatures regularly plummeting to a lethal -80 Fahrenheit, freezing exposed limbs in minutes. Yet it is also home to some of the toughest, most resilient, most isolated people in the world. Life is all about survival in the face of unrelenting weather, scarce resources and man-eating carnivores.