Twilight Sparkle was naturally intrigued by the great affect evil magic had on the princess of the moon, Princess Luna. Having a mind of scientific and curious nature, she decided to experiment with the opposite scenario. Both Pinkie Pie and Celestia, both vital parts to the experiment, complied. The result was something Twilight was expecting, but way beyond the level she anticipated.

Hearing what seems to be a distressed forest animal, Fluttershy instinctively tries to help. But that meant going into the darkest places of the Everfree forest. Reluctantly, she decides to go in, but what is really lying ahead in the dark woods?