The world needed a hero -- it got two hedgehogs. Both powered with incredible speed, Sonic and his little sister Stormi embraces their new home on Earth -- until they both accidentally knocks out the power grid, sparking the attention of uncool evil genius Dr. Robotnik. Now, it's supervillain vs. supersheros in an all-out race across the globe to stop Robotnik from using Sonic and Stormi's unique power to achieve world domination.