Mario and co. are ready for a relaxing vacation with Peach's royal friends in Equestria. Little do they know that something so innocent will inevitable lead to their next big adventure.
Neon lights flood the streets of Equestria, drugs and crime are at all time high, and all Jacket wants to do is do what he's gotta do. All Twilight wants to do is find her best friend, by any means necessary. Even if it means hurting other ponies.