At the end of the 19th century, mechanical engineer Appare is thrown in jail for upsetting one of the town's elite, who then also appoints young swordsman Kosame to keep an eye on him. But Kosame finds keeping Appare out of trouble to be a challenge.

Appare and Kosame take in Hototo and dress his injuries. Al Lyon, representing the BNW motor company, arrives in Los Angeles and wants to rent the storehouse that the pair are staying in, so Appare proposes that they race for it.