Broken Hope and Derpy Hooves barely survived the dimension of Twilight Sparkle. With no time to lose, the duo travel onwards to another realm.

But when Luna's portal collapses in mid flight, the friends are thrown into a completely different dimension.

Celestia is missing, but Princess Luna exists. Also, there is a strange earth pony that is married to her. And rules Equestria.

The two friends need to escape the dimension before it collapses. But, they have a powerful enemy on their tail, and time is running out...