The Storm Hawks promise an old Sky Knight they'll rescue his granddaughter Dove, a prisoner in the clutches of Cyclonia. But when they sneak inside the Smelters of Terra Gale for the mission, they find Dove is anything but a damsel in distress. Rebel Ducks: Protectors of Terra Gale, until a Cyclonian invasion defeated the squadron. Several members were forced into exile, while the rest were imprisoned and made to work in the factories and smelters that now pollute the once-clear skies of their beloved home terra.