During a mission with Fluttershy and Daring Do to get the Idol of Boreus, they run into Ahuizotl and one-eyed giants. While they are trapped, Ahuizotl tells them his life story.
Princess Luna disappears from Equestria with hopes of saving the world and is accompanied by the enigmatic Sombra. Meanwhile, Celestia tries to bury secrets as immortal as she is and Cadance must choose her loyalties carefully...
Lately, Princess Cadance has been feeling inadequate. She's spoken of this briefly to Twilight Sparkle but her longing for a grand adventure is really starting to get to her as are the thoughts that she isn't doing all that she can.
Rarity puts her detective hat back on when Discord is framed for sabotage at the Midsummer Theatre. With Megan's help, she'll crack the case wide open.
Sombra is by no means an easy opponent. He is a manipulative wild card who has cheated death twice, and seeks to do so one more time. But, how many ponies can cheat death forever?
After recent events, Cadance is pretty sure that she doesn't want to go another adventure for a while. Except that you don't have to leave your castle to have an adventure. Especially if said castle is haunted.
An artifact and an accident takes Sweetie Belle to a world full of humans, and it's not Canterlot High. She makes a new friend in a local farm girl named Megan Williams, who is willing to help her get home, leading Megan on a great adventure.
Twilight Sparkle traverses the Arctic with Sombra as she tries to learn about the mystery that was Starswirl the Bearded's life. But are these secrets what she thought they would be? And just who was Starswirl anyway? Sombra seems to know, but why?
Thorne the Bat Imp decides to take Fluttershy out on Nightmare Night while Discord is out. When he returns and finds out about the two, he becomes enraged with jealousy and leads the ponies on a chase.
After the Gala fiasco, Discord decides to go to dinner with Fluttershy, Tree Hugger, and Smooze, and it turns into something magial between him and Fluttershy.
Scorpan, Thorne, and Rep tell the CMC and their sisters the story of their days in Tambelon's School of Knighthood and the challenges they faced, including bullying from Ahuizotl when he was in Tambelon.
Twilight is caught in a storm and rescued by four beings known as the Knights of Tambelon. Their leader is none other than Tirek's brother Scorpan. Secrets will be revealed as well as an evil greater than Ahuizotl.