A pro-Republican documentary propaganda film made during the Spanish Civil War. It shows the advances of the "Roja y Negra" column in Carrascal de Chimillas between October 4-8, 1936
Frankie Reynolds (Frankie Darro' ), youngest member of a family of jockeys, borrows $4.85 (yes, four dollars and eighty-five cents) from his sister Phyllis (Gladys Blake), who is not a jockey, to buy a crippled colt from the stables owned by Clay Harrison (Kane Richmond).
Hoping to rid a small western community of its corrupt political machine, Ken Marshall (Ken Maynard) runs for sheriff against the bad guys' candidate and wins the election.
A newly hired police chief vows to clean up a notoriously corrupt police department. When he is murdered, investigators find that there is no shortage of suspects, most of them being fellow cops.
Chet Kasedon is after the Indians hidden gold mine but Chief Moya will not reveal it's location. He has also hired mining engineers Gale and Mortimer to locate the mine.