When a new threat attacks the timeline of Sonic the Hedgehog, a new hero must be brought into the fold to correct the past and save time itself. With the aid of new friends, Rainbow Dash takes it upon herself to correct past events and save Sonic's future. The only problem being if they can bring themselves to work together. A new threat lurks in the shadows, and Rainbow must discover its true intentions before all of time is lost, for Sonic's world, and possibly even her own...