The sweet elderly aunt and her two nieces survive the vendetta killing of their whole family because they are out picking flowers at the time. Undaunted, the aunt, a tough old Corsican, tracks down and kills all but one of the men who wiped out her kinfolk.
Slim Callaghan investigates the theft of the famous Upper Sangha diamonds. Disguised as a Salvation Army auxiliary, he boards a luxury yacht where a transvestite party is being held. During an illusionist's trick, Callaghan manages to steal the precious diamonds, but the thief escapes.
Sophie de Réan, an unruly mischievous little girl grows up under the thumb of Mademoiselle, her strict governess. Following her mother's death, she is entrusted to Mme de Fleurville, her aunt, who at the same time hires Mademoiselle to further Sophie's education. A few years later, the little girl has blossomed into a lovely young lady. She is now in love with Paul, her cousin, who, unlike her, used to be a model child. Unfortunately Mademoiselle will not hear of a union between them. Instead she wants Sophie to marry Armand, the conceited son of Prefect Hugon. To make matters worse, Paul, the good boy, unexpectedly turns into a revolutionary, who defends the Republic on the barricades against Louis Napoléon's coup. Not being one of the victors, Paul is forced into exile. Will Sophie finally yield and accept the established order or will she react in her usual rebellious way and follow the one she loves ?
Paris, 1830. Fleur de Marie is rescued from poverty by the mysterious Rodolphe, who is in fact the Grand Duke of Gérolstein, who has gone incognito in search of an illegitimate child he once had. Which is not at all to the taste of Sarah Mac Gregor, her current mistress who kidnaps Fleur and has her locked up in Saint-Lazare prison.