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?
Mystery. Love. Magic. Murder. Truth. These are all important elements in the murder mystery Fluttershy has written, and is now asking Twilight to read. But she struggles to solve the mystery in which it turns out she's the protagonist.
In the blink of an eye, all life was wiped from the face of Equus by an abomination born of the stars. That is, all except for four immortal Princesses. Now they fight for the only thing they have left other than their grief... revenge.