After a recent wing injury, a certain wonderbolt struggles with trauma and is forced to dig deep into her past to find the encouragement and strength to fly again.

Princess Celestia has never been happier to have her sister back home, ruling at her side. But when some of the ponies learn about her past banishment of Luna, they feel she must atone for her injustice. All of Equestria is in an uproar, but there is one who will be there for her until the end.