In the wake of the devastating war against the RDA and the loss of their eldest son, Jake Sully and Neytiri face a new threat on Pandora: the Ash People, a violent and power-hungry Na'vi tribe led by the ruthless Varang. Jake's family must fight for their survival and the future of Pandora in a conflict that pushes them to their emotional and physical limits.

When a train unexpectedly starts up, taking only pets with it, the animals discover that Hans, a badger with a grudge is behind it all. While the crash seems inevitable, the animals can count on Falcon, a roguish Raccoon who will do anything to save them.

When a doubting young boy takes an extraordinary train ride to the North Pole, he embarks on a journey of self-discovery that shows him that the wonder of life never fades for those who believe.