When the new deerkin ambassador, Lady Rarity, arrives in the besieged Diamond Palace of Canterlot, young Astra Princess Twilight Sparkle finds herself quite taken with the doe. It might have something to do with the whole shameless flirting thing.
Facing starvation in an endless winter, the young filly Celestia attempts to raise the sun... and finds a wonder that her cynical mind had never conceived.
With Sombra threatening pony and changeling alike, Chrysalis and Celestia begrudgingly agree to an alliance. Neither is happy at first. Yet, as they work together, they discover lasting peace, and perhaps more, is possible.