It's been two weeks since that fateful night at the Summer Sun Celebration, and Royal Guard member Silver Lining still feels the guilt over failing to protect Princess Celestia, even though she sits safely in the castle in Canterlot. Concerned, a friend recommends he meet with Princess Celestia to discuss this. But what will be revealed when they look back on that night? What really happened while the Mane 6 were searching for the Elements of Harmony?