In the weird world of the Hidden Zone, a massive shooting star heads towards the ground. However, when it hits, resident Sammy discovers it to be a "super-cool hedgehog". Deeper into the Zone, Sonic is taken to Zone Leader Steve Owl who welcomes a now-conscious Sonic. The hedgehog is confused, since the last thing he remembers is fighting Doctor Robotnik on his new Sky Fortress. Steve Owl informs Sonic that this is the Hidden Zone, an area safe from Robotnik's rule thanks to a cloaking device. The leader is keen to ask how Sonic found them, but the hedgehog has no idea. Worse still, he doesn't even know who he is!