The three mysterious characters fly away with the Chaos Emerald in town.

Sonic attempts to pursue them, but is outmatched on this new technology. Tails then exclaims that the signal was coming from them. As Tails finally detects it on his radar, the Babylon Rogues suddenly crash from a glass window with the Chaos Emerald they were looking for. In Future City, Sonic, Tails and Knuckles are searching for a lost Chaos Emerald. Jet replies that in air with his Extreme Gear, Sonic is no match. Eggman whispers to Jet about the fact that he needs the seven Chaos Emeralds in order to utilize the cube to summon Babylon Garden and also mentions about Sonic the Hedgehog, a comparable speedy opponent to Jet, who might have the emeralds. Eggman appears and notices that Jet is holding the key he was looking for.

Eggman has arrived on their ship and would like to meet with him. Wave then informs Jet that a person named Dr. As Wave follows in, the three Rogues gaze upon the cube hoping to discover a hidden treasure in their ancestral home: Babylon Garden. One night, Jet, who was observing a special cube in his airship, is suddenly interrupted by Storm who bursts into Jet's office. For the script of both stories of this game, see.

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