Little Lide disappears in the forest while her family packs up their home. As a fire breaks out, her mother must race to reach her before the flames do.

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.

Having found the safety of the Greenland bunker after the comet Clarke decimated the Earth, the Garrity family must now risk everything to embark on a perilous journey across the wasteland of Europe to find a new home.