Norrie Ford, having been unfairly convicted of murder, has escaped. A lucky chance finds him being rescued by a mysterious girl (the Wild Olive of the title), who sets him up with a new life under a new name in Argentina. He makes such a success of his time there that he is posted back to New York by the company he works for – but not before he has become engaged to be married. Back in New York, he meets up again with the Wild Olive . . .