Speed Racer enters his first race to win money for his family. Meanwhile, a gang of robbers are after Pops's secret plans... which he hid in the windshield of Speed's car.
Speed tries to help an old man find his stolen car. It turns out the car has a map to a treasure, which a criminal mastermind is prepared to get at any cost.
Speed takes part in a mountain race, considered with its gorges and landslides to be the most dangerous race ever. It's about to live up to that reputation.
The Inca land of Kapetepek, noted for its secrecy and treasures, hosts a race with foreign and native drivers. To ensure their land's privacy, the Kapetepekan drivers must win, at any cost.
Brotch and his cronies imprison Speed and Twinke in a cave and head off to their Mt Rushmore lair. But it doesn't take long before the two escape and a major fight breaks out.
While the Racers enjoy a trip to the Eastern Kingdom of Saccharin, Spritle is mistaken for Prince Jam, heir to the throne, and the two end up swapping lives.
Speed is taken hostage by Lawson Lamster, an escaped convict searching for the money he stole before being captured. Unfortunately, Lamster's partners are right on his tail.