Young Harriet is a dragonpony living on the eastern edge of the Griffon Empire. Her peace is shattered when dragonslayers attack her father, and her mother gets killed in the crossfire. Filled with grief, Harriet vows revenge.
After reaching peace between Equestria and Hive changelings, queen Chrysalis takes two high ranks and a small retinue of drones with her on a trip to an island holiday resort.
Hundreds of years after the death of Twilight Sparkle, a brutal theocracy rules over ponies with an iron hoof. A young pegasus mare slowly learns the truth about her world, and the lies her faith is built on.