Sonic The Hedgehog is the fastest thing alive and is also the hero of Green Hills (Alongside Tails and Knuckles) living with Tom and Maddie but one day he meets an Autobot with a damaged voice box named Bumblebee. Sonic Tails and Knuckles must help Bumblebee defend the planet from the Decepticons Blitzwing Shatter and Dropkick.