When an unstable Celestia wants to give Twilight unimaginable power, she ignites a spiral of chaos that Celestia never expected... and Twilight never deserved.
The Harvester Engine revolution turned Manehattan into an ugly place, and for one cop who wants nothing more than to do her job, things are only getting worse.
In an Equestria finally recovering from a violent war, Dash's estranged daughter, Pandora, now finds herself wandering the bowels of Manehattan. Little does she know that soon, everything she took for granted will change. Nopony turns back.