It's been two years since "The Accident" A cursed underground tunnel was blocked off from the rest of the world. But rumors are spreading about the place. Will Rumble and Scootaloo survive a night in the Deadline?

Twilight finds a word she doesn't know in a book. The only problem is that it isn't in the dictionary, and every time she tries to say it, a bleep is heard and a black box appears over her mouth. She eventually goes insane.

Sweetie Belle and Button Mash start passing notes in class and tell each other things they have never told anypony else.

Celestia tells Luna to play Flappy Bird. Things escalate quickly.

When a magic spell goes wrong, Trixie and Gilda switch bodies and have to work together to get back to normal.

When Discord and Kaos team up, Spyro and Spike have to switch universes to save their own.

An asteroid hits the moon, bringing it closer to Equestria. All life changes in an instant, especially for Twilight Sparkle. With Celestia and Luna incapacitated, she must rule the land and struggle to survive.