A New Sun (Lo'ak Love Story)

Earth is dying, and the Sky People returned to Pandora to make a new home. General Frances Ardmore was pleased with how everything turned out, but she didn't want to leave the only family she had back on Earth, her 17 year old daughter Isabella, who was decided to join in with her mother, and was volunteering for project for a way to make people breath without masks the gaseous air of Pandora without suffocation

Isabella, who lost her father when she was 11, and with her mother never around, had closed herself from a young age, and had only one friend since childhood, who had join in as well with his scientist mother.

Isabella found Pandora beautiful and fascinating. She found it dangerous as well... but she never thought she would find more friends, and love.

Note: I changed the ages; Neteyam 19, Spider and Kiri are 18, Lo'ak is 17, and Tuktirey is 9. And it won't follow much of the second movie.