The last thing Applejack remembers, she was working in the fields. Suddenly, she finds herself transported ten years into the future, into an Equestria overrun by fearsome enemies. Now it's up to her and a small band of survivors to fight back!
Twilight, Rainbow and Applejack travel 3000 years into the past with their new friend the Doctor, to the ancient city-state of Roan. They meet the famous Leonard DiHoovsie, and find themselves embroiled in a deep mystery with dark implications.
After the harrowing events of "Traveller," the Doctor is forced into having some downtime in Ponyville while the TARDIS rests. Meanwhile, Twilight goes to confide in her beloved mentor, but ends up learning far more than she expected.