3 years have pasted since Galitor attacked, and Thomas and Twilight Sparkle are living a happy life. Thomas, Twilight, Shining Armor, Cadance (tagged along by their friends) are invited to attend a mingle in Prance with Twilight's Parents and Aunt and Uncle. But her Uncle's not too happy with Thomas being Twi's spouse. Trixie soon hear about this and decides to help him out along with her friend Maroon Coat (a unicorn that had a desired to marry Twilight for years) Now Thomas and his friends must stop Trixie, before it's too late.