The red sun hasn’t fallen beyond the horizon for many generations, and the steel grey clouds that remained after the Storm are the only thing that prevents Equestria from being scorched to death.
Cornerstone does his best to make a living in a gods forsaken city called Zone Two. He doesn’t care what secrets lie behind the impenetrable mirror wall. But there are other ponies out there, who would sacrifice their lives to unveil the mystery…

Hints!