The mane 6, the Pillars, Stygian, and Discord look for Spike after Twilight had an argument with him. Meanwhile, Spike will meet a figure from Equestria´s past who might know about Spike´s parents.
While Chrysalis, Tirek and Cozy Glow try to figure out how to activate the bell, Grogar sets out to the Castle of the Two Sisters to confront the spirit of the Tree of Harmony.
Taking advantage of the fact that Discord and Fluttershy are together foalsitting them, the CMC decide to play a special game with them in hopes to achieve their secret ultimate goal.