On a calm evening Princess Luna and Trixie Lulamoon meet in front of Twilight's library. Yet this encounter isn't voluntary and neither is happy to learn about their common goal: getting a date with everypony's favorite Alicorn.

What began as a simple enough mission to the gates of Tartarus turns into a bigger adventure than anyone would have thought. Seven ponies set out to reveal a malicious plan which could forever change Equestria as they know it.