Sunset Shimmer really did not expect to wake up several years in past before she left through the mirror. Now she'll have to make due with her new reality, as well as two pestering princesses that won't leave her alone.
Princess Cadence and Prince-Captain Shining Armor have given Thorax a journal to document his days in the Crystal Empire so they can help him learn from his experiences. This can only go well.
(Takes place during Season 2.) Princess Luna officially meets her niece, Princess Cadence. The two alicorns have never met before, though. And for Luna that is a bit of a problem.
A routine medical procedure reveals a previously unknown link between the King of the Changelings and the Prince of the Crystal Empire. With this knowledge now revealed to them both, will they find a way to contend with the change?
Shining claims that Royalty can't defend themselves. Prince Blueblood takes great offense to this and challenges him to a duel. He has made a -grave- mistake.
Sunset Shimmer reunites with an old school friend, who offers her an unusual role in the Crystal Empire. But then Sunset learns something unsettling about the last pony who held the job...
What if Cadance hadn't stepped in and stopped Twilight from thinking about breaking the laws of physics and causality to spare Spike a little embarrassment at the Equestria Games? Nothing good.
For as long as she's lived, Sunset Shimmer has dreamt of flight, of the skies cursed to be beyond her reach. Then along comes a stranger from a faraway land, with rose-coloured wings and love in her heart, and perhaps all the answers Sunset needs.
Spike and Cadence both have their opinion on Twilight Sparkle, and neither is good. For all they know, they're trapped in each other's bodies forever thanks to Twilight.