A band of boisterous paroled female prisoners accompanies Army engineers on an undercover map-making assignment into or near Mexican territory.[citation needed] Their cover story is that the group consists of settlers; each of the women is paired with one of the engineers to appear to be his wife.[full-width]

 Hugh O'Brian, Anne Francis, Marilyn Maxwell, Marie Windsor, Sherry Jackson, Robert F. Simon, Richard Kelton, Cynthia Hull, Pepe Callahan