The chronicle of Twilight's journey through a land under siege by darkness and corruption. Her only protection from the undead and yet darker forces lie with her new companions and a champion of light sworn to defend her. But will it be enough?
With King Sombra gone, is Equestria truely safe from harm? Or will another foe as old as the Crystal Kingdom itself appear now that the dark unicorn's position of evil is vacant? What new danger will threaten the land and the Elements of Harmony?
When another noble turns up without her head, Twilight takes this as a sign that all of Equestria is in peril. Teamed up with an odd detective from the Canterlot PD, can she piece together what's going on before everything else falls apart?