After finding Discord hiding out in his closet, Twilight Sparkle soon learns the most horrible of truths about herself and the world surrounding her. And then she learns another truth. And another. And another.
Death sends the Tenth Doctor somewhere he never could have expected. With new friends to make and ancient foes from two universes to fight, only one thing is certain: there's an awful lot of running left to do.
If they succeed in reaching Equus, they save the surviving colonists... But they also bring a ship full of irrefutable proof that griffons are carnivores and ponies are prey.