The tale of the war between Equestria and the Crystal Empire (based off the alternate timeline in the season 5 finale)

The daughter of a Pegasus and vampire bat pony, Night Heart, tries to live a normal life in the growing Ponyville while trying to keep her father a secret in the Everfree forest.

Luna has returned, but feels empty inside, but when she meets Thunderlane, it all changes for her...