Sequel to My Little Pony Mystic Season 5 and Rainbow Spark Rocks as well.

With the Friendship Games on the way, Sunset and her friends found out that the Human Twilight sided with their rivalry school Crystal Prep's Shadowbolts. Autobots sided with Wondercolt while G.I. Joe sided with Shadowbolts as the mascots and representation to the school.

Strikespell built his Project: Avenging Ship or Phoenix Cruisers in watching over the world, defending it and repelling against the invasion to achieve his goal of peace and security of the world. Dark Curse and his Alliance of Darkness (Decepticons and Cobra) were about to initiate the mysterious Project End.

Now Sunset and her friends must team up with Dragon Strike Force, Autobots and G.I. Joe to stop Project End and defeat their enemies. But can their friendship united to prevail and defeat their enemies? Can they trust their realm's Twilight Sparkle? Will their hope and world be destroyed?