A group of private detectives working for a jeweler pursue a gang of thieves in Argentina.
| Actor | Role |
|---|---|
 Felix AylmerSir Robert Hummel | Sir Robert Hummel |
 Jeanne De CasalisPoppy Mayne | Poppy Mayne |
 Fred EmneySir Charles Devoir | Sir Charles Devoir |
 Gertrude MichaelAnn Heston | Ann Heston |
 David BurnsPedro | Pedro |