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".
In 1830 Pierre Courier, a rich and elderly shipowner, awaits the return of his son Stefano, who has just returned from a long trip to Trinidad in the ship in which he is captain.
This short documentary, presented and directed by MGM sound engineer Douglas Shearer, goes behind the scenes to look at how the sound portion of a talking picture is created.