Many years after the invasion upon Canterlot during the wedding of Prince Shining Armor and Princess Cadence, the changelings plan to attack once again under the rule of a new leader, King Metamorphosis.

Spike has been crushing on Rarity for a long time. Few years after Twilight became princess, and Spike is older, the dragon finally has the courage to ask Rarity out.

Nightmare Moon was thought to be gone forever. Mysterious magic that had cursed Princess Luna returns to haunt the ponies of Equestria and infect them with a horrible curse.