A rich man named Baron von Vondervon is giving a race for 17 year old girls in memory of his daughter (Ivonna) who disappeared 5 years ago; the winner of the race will be treated as his daughter. A greedy man named Mr. Free Load elists the aid of a driver named Lolly. After trying to past himself as a woman during the race Mr. Free Load discovers that one the other drivers is Ivonna and proply kidnaps her. After Speed saves Ivonna, Trixie and her finish the race with Trixie first and Ivonna second. The Baron recognizes Ivonna as his daughter but she does not want to leave her family at the orphanage. So the Baron gives half his fortune to Ivonna, the other half to the orphanage and invites the children of the orphanage to live on his estate.
Trixie toma parte na Corrida Ferro-Velho, feita em memória da falecida filha de um rico barão. Cada equipe participante teria de construir um carro com peças de ferro-velho e, então, entrar na corrida. Mas um espertalhão entra no GP disfarçado de mulher e ainda usa uma inocente orfã para ganhar a corrida. Trixie vence o GP, o bandido se dá mal e o barão descobre que a orfã era a sua neta desaparecida. Maravilha!!!
12年前に行方不明になったという大富豪・ケチン男爵の娘。将来レーサーを夢見ていた彼女のために、出場資格が17歳の少女のみというポンコツカー・グランプリが開催されることになり、ミッチーも参加するが…。
