After Emberglow and her friends showed the Diarchy a better path, the ponies living there begin to slowly let go of their fear. However, when impossible figures from the distant past make their return, she finds her greatest trials are yet to come.
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.