Princess cadence is pregnant! Everyone wants to celebrate but her.

When Celestia's depression gets Twilight worried, she gets called for by her mentor to take a journey that sets off a painful life changing events.

Sunsetshimmer decides she wants to visit pony ville and Celestia again to set things right, then suddenly all goes wrong and she can't go back.

A thousand years ago luna became nightmare moon but the year before that Luna's mixed feelings build up to that final breaking point.