Chasing a mystery into the past, Twilight finds an Equestria that is different from what she remembers. Will she be able to set history back on track by fixing what didn't happen, or is this Equestria destined to take a different path?

A scroll summons Trixie for a night with the Princess of Equestria. It would help Trixie though, if she knew which of the possible princesses actually sent it.

A young lamb asks Applejack a hard question: why do ponies rule over sheep and cows and such?

Celestia wouldn't let Luna have more cookies. Luna devises a plan to get more.

Like every little filly, Dinky loves everypony and everything... except spiders.

Celestia and Luna take a bubble bath which soon spawns into a game that takes three days to resolve.

He shall protect the Equestrian skies

After being banished, Nightmare Moon finds she is able to talk with Discord, also sealed away. The two despise one another, but talking with a hated foe is better than endless monotony. Over time, the two fall in love, up until tragedy strikes.

Donut Joe keeps his store open on Hearth’s Warming Eve. And why not? He doesn’t have anywhere else to be, and neither do the tired, bitter ponies who find their way inside. But the Eve is young, and strange things lie ahead...

Twilight Sparkle is arrested for the second time in her life. Rarity is attempting to put her business partner out of business. The undead have risen and walk Ponyville's streets. A normal day, in other words.