As winter returns to the Arctic, preparation is crucial for Alaskans to survive the coming months. For the Hailstones, the window to hunt big game animals grows shorter with each passing day. Sue Aikens must stay alert and aware of predator presence in Kavik. Glenn Villeneuve ensures the frozen lake in Chandalar is safe for his family's arrival. For Andy Bassich, camp preparations and sled dog training before the snow flies is key. And for Jessie Holmes, to be competitive in the upcoming Iditarod race, training must begin.