S7, E8: In the dead of winter, Alaskans travel high, far, and wide to obtain resources for survival. Glenn Villeneuve pursues caribou high in the mountains of the Brooks Range. Chip and Agnes Hailstone haul their tent frame on the frozen river to their newly acquired land. Andy Bassich breaks a new trail through the woods to avoid dangerous ice on the Yukon River. And Sue Aikens travels via snow machine on the tundra to gather a plant that can help make a healing ointment.