When the peaceful island of the Mandarin Ducks is mistakenly invaded by the Military Mallards, a conflict flares up between the Mandarin Emperor and the Mallard Commander. Longway, the Emperor's son, and Erica, the daughter of the Mallard Commander, meet. Before long, a friendship takes wing. While their feathered fathers fight and egg each other on, the wicked Ms. Knout is conducting a scheme to destroy the sun. The kids will have to get all their ducks in a row to battle their foe.