Twilight Sparkle is on the trail of deranged associate from her past. Jack Jolly Moore. At their high school graduation, he tried to poison and mutilate everyone there. Now years later, the old class has been kidnapped, psychologically traumatized, and all in the name of one madman's obsession with a fictional one.

Now Twilight has to find out where Moore is and fast, because if he's truly believed his become the single most dangerous, twisted mind ever created, then Twilight's old friends may not have much time.