Twilight loves living in Ponyville, though the change is a little bigger than she'd first expected. But things like homesickness and dealing with the way everyone seems to stare and whisper are all just part of moving somewhere new.
When one fateful search through the Everfree Forest leads Rarity to a secret library inhabited by the spirit of an ancient alicorn princess, she realises that it may be time to start believing in fairy tales.
In the decaying metropolis of Detrot, 60 years and one war after Luna's return, Detective Hard Boiled and friends must solve the mystery behind a unicorn's death in a film noir-inspired tale of ponies, hard cider, conspiracy, and murder.
Humanity's space exploration ultimately took the form of billions of identical probes, capable of building anything (including astronauts themselves) upon arrival at their destinations. One lands in Equestria. Things go downhill from there.