Hercule, a young peasant, inherits a Parisian newspaper with a large circulation. The editor-in-chief, Vasco, takes advantage of his ignorance to make corruption prevail. But Hercules gradually realizes the role that we make him play.

Fearing a gangster's vengeance,his moll sails away to South Africa ,where many emigrants intend to work in the mines there.

A respected gangster, Justin, finds himself in a deadly feud with his rival, the unscrupulous Esposito. The latter plans to steal a cargo of opium bound for China and to have Justin killed.