On a day like any other, Princess Celestia finds out that her beloved sister has gone missing. Unfortunately, she cannot go out and find her herself, so she sends her six most trusted assistants.

On their journey, they discover that more malevolent forces are at hoof. Hatred grows between them, and the tension grows increasingly thick.

However, the bringer of all this hatred seems to have a familiar presence. A foe once beaten, coming back to exact vengeance.