In the heart of the ravaged Southern Water Tribe, Sokka and Katara''''s world is shattered when they uncover an ancient secret frozen in the ice – a young airbender, a relic of the past. But when their discovery of the airbender is painted bleak by the stillness of death, an impossible twist of fate unfolds. Raava, the Spirit of Light and Peace, inexplicably chooses Sokka, the skeptical strategist, to inherit the Avatar spirit.