After having a falling out with Discord about a misunderstanding, the draconequus sparks the Mane Six's interest in his past with Princess Celestia. What really happened all those years ago? Well, after visiting the Princess, she tells them that there IS more to the past than just Discord trying to take over. There was something that happened much sooner than that. Something that the Six don't expect.

Celestia and Discord were best friends.

The Six sit back as Celestia unravels the untold story of how she and Discord met, their budding friendship, and how it all came to the moment of Discord's takeover.