The last known survivor of the peaceful Air Nomads and the Airbenders, Aang is The Avatar, Bender of all elements. Aided by a Waterbender named Katara and her brother Sokka, Aang begins a perilous journey to restore balance to their war-torn world.
Aang receives guidance from Guru Pathik at the Eastern Air Temple, Sokka is reunited with his father, Katara begins to help the Council of Five plan the invasion, and Zuko and Iroh begin to settle into the new lives of owning a tea shop. However, things are not what they seem. Toph has been captured and is being brought back to her parents, and Azula has infiltrated the city and is planning on finally conquering Ba Sing Se for the Fire Nation.