Set at various points in the Fallout: Equestria universe. Each chapter is intended to be a unique story unto itself. So many references, both ludicrously obscure and blatantly obvious. Even the title. No, not that. You will never figure them all out.
Remnants of a ragged journal are discovered in a vast long-forgotten agriresearch facility, suddenly once again accessible to the world from which it was torn over two decades before.