Princess Celestia charges Twilight Sparkle and by extension her friends with organizing the Grand Galloping Gala, but after a hard day of preparation, somepony notices that the sun seems to be stuck at high noon. Attempting to correct this problem invites a magical attack on Canterlot itself, and so the Elements of Harmony and Princess Luna are charged with an urgent mission to rally their friends, sail an airship to the other side of the world, locate the source of the problem, and correct it, before tidal lock wreaks irreversible damage on the planet.

Along the way, what adventures might they face, what might they learn - about themselves and about each other, about the nature of magic, Alicorns, love, and power, and what might they find on the other side of the world? Let's find out.