Celestia is once again forced to endure the Summer Sun Celebration, for the 990th year in a row. Realizing that while she may be just 10 more years away, it'll still be a short while before she can see her sister again, she finally gives in. Realizing that she's been content for too long, she finally decides to seclude herself from the rest of Equestria, finding out that almost a thousand years is far longer than she can endure, and the time for her to let it out has finally arrived. However, she finds some comfort with the help of a little filly.