Huey, Dewey and Louie practice flying their model planes for the annual contest. Donald cannot compete with his nephews’ feats, even when he resorts to dirty tricks. On the day of the contest also Woimly Filcher joins with his infernal device. Since all means are allowed in the races, Filcher destroys the model planes of all his rivals. However, Donald’s stays undamaged and, due to a tornado, even wins the first prize. In the end Donald and his mean adversary share the same sickroom after having had a little flying accident.