Set during the events of the MLP Movie. Obvious spoilers abound!
This story takes place in Season 7.

Twilight has her very own festival in Canterlot and Starlight has dragged Trixie along for the ride. Just a shame the Storm King and a mysterious unicorn have over plans. After just barely escaping Canterlot with Trixie, Starlight must find a way to take back the city and save the princesses.

During a hot summer day, Cadence surprises the citizens of Ponyville by taking a visit to their small town. Twilight is quick to drop everything and devote her day to making Cadence's visit as great as possible. Not everything goes according to plan.