Knuckles leaves Pumpkin Hill, and heads for the Aquatic Mine. There he finds three more pieces of the Master Emerald. Knuckles leaves Wild Canyon, and heads for Pumpkin Hill. Then Amy frees Sonic from his cell, and Sonic escapes on a missile. The next day Miles 'Tails' Prower comes to Prison Island in search of Sonic, rescuing Amy Rose from Dr. Knuckles finds the first three pieces in Wild Canyon. Knuckles and Rouge have a hunt for the pieces of the Master Emerald. Eggman tries to steal the Master Emerald, but Knuckles stops him in his path by breaking the Master Emerald into pieces. Shadow proceeds to use the emerald to transport to a different location, and Sonic is arrested.Īt the same time, Knuckles the Echidna and a mysterious character named Rouge the Bat are fighting over who owns the Master Emerald. Sonic realizes that the military is mistaking him for Shadow. After he destroys a military mech, he encounters a near look-alike of himself named Shadow the Hedgehog who has stolen a Chaos Emerald from the bank a while earlier. Suddenly, the pilot starts shouting 'What?! The hedgehog is gone! He's taking out everyone aboard!' At that moment, Sonic the Hedgehog jumps out of the helicopter, rips off a piece of the wing to use as a snowboard, and then jumps off. This story begins with a military helicopter (Sigma-Alpha 2) flying over the city with Sonic being captured aboard it.