Mobius was once a beautiful world, a world teeming with life, but time changed the once idyllic planet and peace is widely regarded as a thing of the past, however, not all is lost, for there are some who fight daily to restore order to their home, led by a creature often known as the fastest thing alive, but worry is rife amongst the people who follow him, for the creature Sonic has vanished and a new evil is fastly approaching, without Sonic, who will protect Mobius from what is to come? And what is the fate of the fastest thing alive?