One Thousand years ago, the saints Celestia and Luna drew upon the power of the Red Stone of Aja to defeat the demon Discord. Now one thousand years later the Stone is destroyed, beginning the tale of six ponies and their quest to redeem the world.
When Fluttershy wins a trip to Las Pegasus, her friends think it'll be a good way to get her out of her shell. But what do they do when she takes the gambling too far?
A year after the battle of the bands, graduation nears, a familiar face returns, a pure heart is corrupted, enemies become allies and the fate of all reality hangs in the balance.
Sunset Shimmer finally returns home to Equestria to right her old wrongs, unfortunately the sins of the Human World follow her back and put everypony in Equestria in danger.
When the Mane Six get fragged, they try to carry on as if nothing happened. The living, however, don't appreciate that. Princess Celestia's solution is not at all what the Mane Six expected.
Spike decides to spend the day with Luna, if only he had known that the entire day would consist of pulling pranks on Celestia. This could go downhill quickly.