Years have passed and the Mane 6 are dead when they are needed most. A young mare is tricked into letting a large horde of demons free. She now suffers a slight amnesia, she remembers the betrayal and what she had done, but her name is forgotten.
Most ponies think the zodiacs aren't real creatures on Earth, until now. There are twelve and the Seferic are trying to kill them so they can reign. Every pony is in danger, but no pony understands how dire it is for them to live.
Could it really be true? Has the sweetest pony in Ponyville commited the crime of murder. When Rarity is found dead, a pink hair is found in the crime scene, and now Fluttershy has been acused as the murderer.
We all strive to an inevitability, the one painful truth we cannot avoid We forget until it rises again, painfully reminding us that when the Time comes, all things must come to and end.
Despite facing loss and hardship, Scootaloo never completely gives up. Silver Spoon is used to having anything she wants or needs given to her. When the two end up together, both learn about a world they'd never really seen before.
Following the Changeling Invasion of Canterlot, Twilight's friends, Princess Celestia and Shining Armor lament over how they failed to protect Canterlot from the Changelings as well for their behavior towards Twilight at the Wedding Rehearsal.