Sonic has become quite the celebrity, to the point of having his own Sonic Fan Club, headed by Crazy Carl, prepare a Sonic Fan Meeting in Green Hills. However, once he meets Tails the day before trouble ensues. In a chase after the Chaos Emeralds, Sonic and Tails race against Robotnik and the Echidna Clan, and their leader Knuckles. Will Knuckles attain the emeralds and kill Sonic so that he may ressurect the master emerald? Will Robotnik use the powers of the emeralds to create his own chemical plant to enslave the world? Or will Sonic beat them both to it?