Trotland was a resort, a massive revolutionary industrial marvel, and home to more than three million ponies… now only a quarter of that number remains. Celestia is outraged, furious and confused, what had happened in the city during those eight months of no contact?

Curious, she questions one of her ponies, one that had been a part of the military stationed there to protect it from threats. She's in for quite the tale from her little pony, as he tells her the story…

The story of the Damned.