Following the events of "Three's a Crowd," Cadence tells Shining Armor about her time with Twilight and Discord over a crystal mud bath with her husband.
Luna and Octavia are busier than ever with the Grand Galloping Gala fast approaching. Both of them have a long night ahead of them, and if all goes well should meet the next morning for breakfast.
In this sequel to "Defender of Equestria," a Changeling General goes on trial in Canterlot for numerous war crimes, including kidnapping Cadence and Twilight, while Shining Armor's mentor and predecessor attempts to make amends with Celestia and Luna