Follow Nanu the polar bear cub and Seela the walrus pup through exciting and often dangerous struggles for survival, with only their natural instincts and mothers' guidance to help them face the challenges of a world that is melting around them.

"Everybody knows that penguins live at the South Pole and polar bears live at the North Pole. But what would happen if, one day, an adventurous family of penguins took a wrong turn and ended up at the North Pole?"--Back cover.

A remarkable story of three animal families on a journey across our planet - polar bears, elephants, and humpback whales. An astonishing and heartwarming film filled with adventure, suspense, and humor as it captures rare footage of nature's wildest and most elusive animals.

A stranded wolf cub is rescued and raised by a loving polar bear, and years later when he is grown into a wolf and on his own, he comes upon a lost polar bear cub, and the cycle begins again.

Lars wants to be just like his father.