A high-speed train becomes the star of the film as it rushes from Chicago to Hoover Dam to transport an iron lung to a needy patient.
In this war film, set in 1817, an American Army captain searches throughout Spanish-ruled Florida for his brother who has been abducted by an evil Don. En route he begins to romance the daughter of the Don.
Two petty gangsters trying to elude their enemies join the French Foreign Legion.
