In the distance dimension of Mobius, where animals have evolved further than humans. The story follows Sonic, who in the past was once a fearse and brave hero that protect the lifes of Mobians with the help of his team, The Freedom Fighters. But a catastophe caused the team to split and forced Sonic to retire completly. However, he soons discovers a new danger is approaching his home town, leading to him to return with new allies to save the day.