The story begins with AJ walking around Sweet mansanas Acres looking for something to do after a hard day's work. Alas, she couldn't find one thing fun to do, so she heads to to town to see if there is anything going on there, when suddenly...

Princess Luna: *pulls up in a monster truck in front of AJ* What's up? Doth this town not pleaseth thee?

AJ: Actually, it doesn't.

Luna: *talks normal* What? You serious? If nothing here makes you happy, enter the Ponyville Monster Truck Race! It's gonna be awesome! I made my sister accompany me. You have to let someone ride with you. That's the rules. Gotta...