To be talented in magic is a rare gift, rarer still in a pegasus. For Featherfall, each spell comes at a cost: one of her precious feathers.

Part of Canterlot's elite Magical Crimes Unit, Featherfall struggles to solve the disappearances of two well-liked mares and the brutal murder of a renowned candle-maker, burned alive in his own shop. But, as the facts of the case emerge, Featherfall finds her own family implicated for the grisly crime and unearths hints of a far greater horror.

A strange artifact arrives at Twilight's library and turns her into a dragon. From there, everypony she touches suffers a similar fate and the contagion begins to spread! Twilight and her friends struggle to avoid spreading it further in this comedic misadventure of dragons and the fiery spells they weave. Can Twilight find a cure?

Long forgotten at the top of the world an ancient prison rests beneath the ice and snow. Built for one purpose, it has held a force of nightmare at bay for over a thousand years. Now the spells are broken, and the nightmare dragon Insomnia has escaped and she is determined that all of Equestria will taste of her wrath. The small town of Glendale must field its best to contend with the dragon, for they are Equestria's first and only line of defense against this great evil.