Adagio Dazzle had been spotted by her enemies. While trying to shake them off her tail, she inadvertently brought them to her homestay: A land full of Untold History, Adventurers, Paintings, and Dragons... Dragons? In this side of Equestria??
The Dazzlings, with Sonata thrown out, are out for revenge again. They find out about the portal and turn into Diamond Tiara and Silver Spoon. Using their voices, they convince everyone to turn against Sweetie Belle, even her friends.