This spinoff series follows Sonic and Tails after they fought Metal Sonic, save Amy and are sent back home from the dark future by Dr. Eggman along with Longclaw, until the two, Amy and Cream meet new friends, a group of freedom fighters led by Princess Sally Acorn, princess of the Kingdom of Acorn and daughter of King Acorn whom Sonic has a crush on and the members of a team include artificial intelligence computer programmer Nicole the Holo-Lynx, scientist Rotor the Walrus, skilled french-accented sword fighter Antoine D’Coolette, half-roboticized, southern-accented Bunnie Rabbot, Big the Cat, Tangle the Lemur and Whisper the Wolf, together they team up together to stop Dr. Eggman, who has already conquered their home planet, Mobius and rules over it as a polluted industrial dystopia and new enemies await.