By some mistake instead of being stuck on a Mushroom Planet. Dr. Robotnik is instead sent to Equestria, Were he takes over the Storm Kings army and uses it to find his way back to earth and gain ultimate power and taking over this new world!
After the events of "Journey Home to Craftworld & Equestria", a big festival in Canterot is happening. But when an army of the Storm King arrives with the Dastardly Vex, it's an Big Adventure for Sackboy and the Mane 6 to stop them.
Beerus arrives at the King of All's Palace where Present and Future Lord Zeno gives Beerus an honorable exile for his retirement in Equestria. He gets teleported in the city of Canterlot for the first ever Friendship Festival is going to take place.
Darth Vader meets up with Tempest Shadow after she had succeeded in capturing Princess Twilight Sparkle. While on their journey back to Canterlot, Twilight learns more about the Sith lords past, and his greatest desire.
Darth Vader and Tempest Shadow continue their hunt for Princess Twilight Sparkle and The rest of the Main Six, which lead them to Captain Celaeno's ship.
A storm brews as Tempest Shadow and the Storm creatures came and invaded Canterlot. Separated from Twilight and the others, Charming Thunder and Danny must find a way to retake Canterlot and find his friends and family.