As the Knothole Freedom Fighters and the Substitute Freedom Fighters, amongst others, investigate the ruins of Robotropolis, Hamlin Pig alerts Sally Acorn to an incoming aircraft. Antoine D'Coolette suggests that Sally stay behind him and Bunnie Rabbot for safety, which Sally dismisses, particularly upon recognizing the new arrivals: Sir Knuckles the Echidna in a Dark Legion saucer, accompanied by his new ally Julie-Su. After being introduced-and finding out that the two, while initially in conflict, discovered that they had certain things in common-Sally questions whether or not they're in a relationship, which the pair quickly deny. Sally then informs Knuckles that they have important business to discuss-namely, the results of his recent quest to find the Sword of Acorns. Though Knuckles