A recurring nightmare convinces Luna that, since her return, she has never regained her sister's complete trust. And at the forthcoming Festival of the Eclipse, she decides to make amends with a bold gesture: she removes the moon from the sky.
Applejack finds a pony at death's door during one of the worst storms of the year. He is bleeding, his wings are broken, and he's unconscious. This new pony has secrets he wants to hide, but as the saying goes, all things must come to light
You can hide away your problems. You can mask all of the pain with lies. You could live an eternity and pray that the scars simply fade away. Despite all of your best efforts though... Not even all the power in creation can truly ever fill a void.