On the day of celebration after the defeat of Nightmare Moon, everypony couldn't be happier. Equestria was saved from eternal darkness, and friendships were woven together for years to come. Everypony should be happy.

But Rainbow Dash isn't, not when something inside is disturbing any elation she might have, until finally, later that night, with many questions digging in her mind, she decides to head out in the outskirts of Ponyville to seek answers.

Even though she knows she may not get them.