The 19th century ended and the 20th century began... Sorano Tenharu, a genius but social engineer, and Isshiki Kosame, a powerful but timid samurai, drifted from Japan to the United States due to an accident. In order to return to Japan, the penniless two chose to participate in the "American Continental Race". The starting point is Los Angeles on the west coast and the end point is New York. They drive the steam cars they built, compete with crazy opponents, and protect themselves from criminals and nature... Can the two win the cruel competition and win the bounty to return home! ?