Team Avatar is in peril as a dangerously powerful ancient spirit awakens with vengeance and destruction on its mind. Bonds will be tested and new truths revealed as Aang must answer an important question: Can humans and spirits co-exist?!
As Avatar Aang and his martial arts friends seek answer to the mysteries surrounding a refinery on land sacred to the Air Nomads, Toph uncovers a startling truth about her father's involvement with the refinery, while Aang travels to the spirit world, discovering a secret as suprising as it is dangerious