When the lands surrounding Equestria start suffering turmoil, the Elements of Harmony are called to Canterlot to meet with representatives from a number of nations. Nature has begun rebelling against those who inhabit its lands, with Mother Nature herself is leading the charge as Gaia, a Deity with a form much like Celestia or Luna. Can the Elements of Harmony--and the rest of Equestria--repel she who is the mother of the world they live on?