Martin Brundle, born of the human/fly, is adopted by his father's place of employment (Bartok Inc.) while the employees simply wait for his mutant chromosomes to come out of their dormant state.

Powered with incredible speed, Sonic The Hedgehog embraces his new home on Earth. That is, until Sonic sparks the attention of super-uncool evil genius Dr. Robotnik. Now it’s super-villain vs. super-sonic in an all-out race across the globe to stop Robotnik from using Sonic’s unique power for world domination.