Avatar: The Last Airbender

What is Avatar: The Last Airbender about (plot, summary)
Avatar: The Last Airbender is the reimagined live-action take on acclaimed animated series. The story is set in a world divided into four nations, each populated by different kinds of elemental "benders": Earthbenders, Waterbenders, Firebenders and Airbenders, and focuses on a young Airbender named Aang, who becomes the Avatar, a one in a generation bender who can master all four elements.