Several months have passed since the defeat of the evil Metarex and Sonic the Hedgehog along with his friends have been on many new recent adventures in saving Planet Mobius from Doctor Eggman and his robotic minions from getting their hands on the powerful 7 Chaos Emeralds. Along the way Sonic gained many new friends, friendly rivals, and new enemies during the recent months. However, Sonic is about to get into a fight that he wasn't excepting when he found the last Chaos Emerald until without warning the emeralds induce Chaos Control sending the blue hero into the crossfire of the Legion of Doom's attack on Canterlot during Twilight's coronation to becoming leader of Eques.

Now Sonic must defeat the Legion of Doom and return home to help his friends while Eggman is up to his usual plans. But this fight will unlock and awaken a new powerful form for Sonic out of the Chaos Emerald's power. Can Sonic save Eques from destruction? Find out!