Avatar:The Last Airbender summary: After the conclusion of the Hundred Year War, Avatar Aang and his friends, Zuko, Sokka, Katara, and Toph work to heal the Four Elemental Nations and usher in a new age of progress. Follow the gang as they discover secrets of the past, battle new threats, heal old wounds and make new friends in these stories that take place between the hit animated television series Avatar: The Last Airbender and The Legend of Korra.