Discord wants to enjoy the Summer Sun celebration with the rest of Ponyville. Sure, everybody's already dead by the time he arrives, but it's not like that's going to stop him.
Six years after her ascension, Twilight and Spike have started to grow apart. Spike starts to fear what age will do to him, and he comes to the realization that he must tell Twilight a shocking truth before it's too late.
While investigating a string of crimes in Canterlot, detective Gro'gar stumbles on a conspiracy. Together with a young Shining Armor and a former cultist filly, he'll have to uncover a terrible truth that will test his resolve and integrity