Story Ideas - I will never get to write

Avatar the last Airbender

A mere orphan who served the fire nation's royalty as a cook since she was very young, but after being caught feeding prisoners of war she was banished. A born fire bender with unbalance flames, she struggles to control her power however, fear embraced her with an iron fist.

Trying to find soloist she embarks on a journey of inner peace by visiting the air temples but upon her first location she stumbled across the avatar and his friends.

Will she be able to accept her demons? Or will her flames of guilt swallow her whole?