After escaping from his home world, born with with incredible speed, Sonic embraces Canterlot City as his new home on Earth, until he accidentally knocks out the power grid, sparking the attention of uncool evil genius Dr. Robotnik. Now, it's supervillain vs. supersonic in an all-out race across the globe as Sonic and the Rainbooms must team up to stop Robotnik from using Sonic’s unique power to achieve world domination.