When Twilight Sparkle went to bed, she had friends she loved and a life she enjoyed. But she awoke to hospital gowns and padded restraints. And the doctors, they keep telling her that she is sick and none of it was real. They’re lying, right?
During one particularly stressful day, Sweetie Belle gets into Rarity's makeup. Rarity demands an explanation. The answer isn't quite as simple as one sister trying to emulate another.