My daughter, you were most beautiful, graceful and beloved by all, but never understood what it meant to love. You shared the gift of love with your little ponies, but why do you not care for them as they grow ill?

When faced with a violent threat never seen before in Equestria, what will it take to protect harmony?

Derpy must deliver a letter to somepony in Ponyville, but she finds it improperly addressed.