On a totally normal day, Ponyville is cut off from the rest of Equestria. Ponies scramble for answers as the casualties rise. It soon becomes a fight against a politician that wants to influence the newly cut off town. But they have to work fast because the supplies in the Dome are limited. And the Dome won't be coming up anytime soon. Everypony is just going to need to learn how to get along.

Crossover of Stephen King's Under The Dome.