Ditzy Doo sees things nopony else can see: higher-dimensional spatial anomalies, fae creatures, and eldritch abominations. She solves problems that other ponies don’t even know exist. But now, she may have bitten off more than she can chew.
Ditzy Doo meets Ponyville's other secret agent. Twilight Sparkle learns an unsettling fact about her brother. Pinkie Pie meets her older sister. All of them live in the shadow of a wall...