There comes a time when the light must go out; but how do you know if you've burned brightly enough?

When Twilight receives a letter from Princess Celestia asking her to come to the castle for something very important, Twilight is puzzled. What Princess Celestia and Luna have to tell her will change the Unicorn's life forever.

What does one do when their loved ones are taken away from them, much too early?

A visit to Zecora's hut by Spike and Twilight takes an unexpected, tragic turn.

As grief and guilt eat away at her, what can Twilight do to cope? Can her friends and family help as she descends into a storm of suffering?

Artwork is by SierraEx. He gets all the win for the cover. Nice guy, too.
You can check him out at deviantART here: http://sierraex.deviantart.com/