After upsetting the town's upper crust with his ways, engineer Appare finds himself locked up and assigned a chaperone, the swordsman Kosame.

Appare and Kosame search for jobs in Los Angeles to earn a living; Appare takes an interest in a major automobile race, but Kosame just wants to get back home.

Appare and Kosame help a wounded Hototo; Appare challenges a visiting motor company representative to a race to determine who can use the storehouse.

Xialian challenges her team's official driver, David, to a race; not wanting to risk one of his vehicles on a silly race, the owner makes Xialian drive a big piece of junk.

After days of working nonstop, Appare is out like a light and Kosame has to drag him to the big celebration.

The racers reach the first supply point and prepare to take on Death Valley; meanwhile, Hototo discovers one of the racers is planning a deadly trap but soon finds himself in a bind.