Based on the novel by Albert t'Serstevens. Dupuy, the first mate of the French freighter "Cristobal" is informed by cabaret dancer La Rubia that the "Cristobal" carries a priceless secret cargo of gold.
The almost financial ruined gentleman Georges Dewalter spends several days in Biarritz before going off in the Hispano-Suiza, a luxe car which was a present from friends. George becomes the lover of Stéphane Oswill pretending he is wealthy. Then Stéphane spends the remaining funds with which the now desperate George hoped to rebuild his fortune in Senegal.
