Sunset arrives in the human world as a pony in the middle of a busy freeway in Britain and physics happen. Circumstances conspire for her to end up going to Hogwarts in Harry's year as Luna Lovegood's pet.
Dusk Shine the top student of CPA struggles to understand the value of Friendship. Cinch forces him to compete in the upcoming Friendship games against CHS. Now he must work with those he labeled him an outcast to achieve victory.
Starlight Glimmer finally graduates from Twilight's program, and is told to find a student of her own! Twilight recommends going to a new planet, inhabited by "He-you-mains". She tries to make a friend, but finds something more!
When she was in middle school, Sunset Shimmer suffered from what is called 'Middle-second syndrome'. Finding her past embarrassing, Sunset will try everything to start her high school journey quietly after moving out from her city.
Sunset finds herself a bit surprised to see a stuffed shark on Twilight Sparkle's bed, and a bit more surprised Twilight's uncomfortable talking about it.
After new CHS Student Body President Luna takes issue with the rest of her Cabinet, she responds by composedly and rationally screaming at her sister in a phone booth.
With all of Northern Zebrica under their spell, the three sirens are at the peak of their power and poised to invade Equestria. Obviously, now is the best time to follow Sonata's suggestion to hit the beach and leave the country to run itself.
Starswirl must be the best magician of all Equestria, but not even the worst villain is capable to do what his 3 daughters did: They made him cry and freakout everyday. That's his life as father of Adagio, Aria and Sonata.