Twilight and her friends have watched over Equestria for a hundred years, but old secrets from the very dawn of time threaten to bring their reign and all of Equestria to an end.
Rainbow Dash is trying to adopt Scootaloo, but the filly has a shameful secret. She doesn't know what she is, only that she can't eat like other ponies, and anypony who knew would hate her forever.
For a thousand years, Princess Celestia has waited for her sister's return. Now that she is back, she can't help but be overprotective of her sister. For one, she wants to fix past mistakes and two, there is something unknown wrong with Luna.
Nightmare Moon had expected a fight upon her return, ponies cowering in fear as she's forced to battle her sister once more. However, there were things that she had not even considered a possibility. A sincere, warm welcome was one of them.
Twilight flees Canterlot after a revolution takes her teacher away from her. In her agony she looks for a way to bring Celestia back to life, and discovers entities beyond her wildest dreams during her pursuits.
*An AU extended ending to Season 8 - "Father Knows Beast"* When Spike goes and tells each of the Mane 6 what happened with Sludge, he discovers he may have already had a family after all.
Rainbow Dash find herself in the unlikely role as a bearer of knowledge for young Scootaloo. When the filly asks a question she cannot answer, Rainbow Dash embarks on a quest to find answers.