This spin-off miniseries follows Knuckles and the Chaotix after they defeated Enerjak and obtained the six mysterious rings. Until a attractive jewel loving thief, Rouge the Bat the trio of bounty hunters called the Hooligans and Mecha Sonic, who has survived and tried to enact revenge on Knuckles by stealing it. But in their battle, the Master Emerald shattered into seven pieces across Mobius, and Angel Island has fallen into the ocean! Knuckles swam to the nearest piece of land that he could find help, Metropolis Zone, where he enlisted the help from his friends, the Chaotix, his girlfriend Julie-Su and two robots that were the minions of Dr. Eggman, Heavy and Bomb. Together, they journey across Mobius to find the Emerald pieces, stop Rouge, the Hooligans and Mecha Sonic from getting them first, and restore Angel Island. During this adventure, Knuckles realizes that there's more to the world than meets the eye.
