Scootaloo's had her heart set on the Sisterhooves for ages now, and Vinyl Scratch promised she'd take her niece and help win the big prize.
If only Vinyl Scratch hadn't been up doing a concert the night before. And why is Spike joining in with an obviously sleep-deprived Twilight Sparkle?
It's a day of chaos, as it becomes a contest to see who's the better sister figure, who's got what it takes to beat the opposition, and who's going to faint and/or vomit first: Vinyl or Twilight?