Documentary following the lives of the members of the world's largest wolf pack in Yellowstone National Park.
This is the story of the rise to power of the largest wolf pack ever known. Going from strength to strength they are now at a turning point of their lives. The balance of power is shifting within the pack. The leaders face a take-over challenge from within their own family.
Winter in Yellowstone is six months of temperatures below freezing. It can look beautiful but the conditions are fierce. This is a time when most animals struggle simply to survive but it's also a time when one animal truly comes into its own. This is the time of the wolf.