What if Lunar had survived the Panther Wars of old? Would Luna have descended into the madness that created Nightmare Moon? Would Celestia and Lunar have married as they were first intending to do? Many question are left unanswered
Lunar is away on royal business and Celestia is stuck in the castle within her chambers. All seems well till Lunar receives a letter from Luna stating to return to Canterlot with all do haste.