The coming of the pioneer settlers in 1840, the making of their first homes in the wilderness, the gold rushes, the Maori wars, the stage coaches, and the frontier towns.
A gang of urban street kids and a club of suburban would-be federal agents, at first rivals, join forces to rescue the father of one of the kids, the inventor of a super-explosive and its remote detonator, from the clutches of a band of foreign subversives call the "Flaming Torch Gang".
Hoppy and Lucky have been called in to investigate a series of stage holdups. The robbers are taking gold from Colby's mine and Hoppy suspects it may be ex-outlaw Colby himself.
Cary Grant narrates, and appears at the end of, this public service announcement. The Will Rogers Memorial Hospital treats patients with tuberculosis and conducts research to find a cure.