Marie is one of her kind. While the other girls are after gold, diamonds and jewels, she swears by ... poverty! She does not remain the companion of a banker too long for obvious reasons. But when she can be the muse of a poor music composer it is fine by her. Unless the musician becomes too famous...! Then, she leaves him! But maybe not forever... He can fall into poverty again, can't he?

Following a trivial road accident, Ariane, an international adventuress, falls in love with Bernard Fleuret, a young artist-painter with diseased lungs. Being pursued by the police, she chooses to hide in the sanatorium where the young man is treated. Ariane proves so smitten by love that she finally changes her ways: she decides to let herself be arrested, sure as she is she will be reunited with her loved one later on.

In Paris, in the middle of the 19th century, the Comte de Chamery died of poisoning, leaving a considerable fortune to his long-dead son. Sir William, the count's murderer, hires a young rogue, Rocambole, to pretend to be the deceased's son. The two accomplices have the Count's fortune handed over to them. But their trickery is discovered by an intriguer, Baccarat, who finds the real Count of Chamery, a young painter without fortune, in love with Carmen de Montevecchio. Rocambole, who stops at nothing, kills Sir William, gets rid of Armand and makes Carmen love him. But Baccarat is determined not to let him continue his villainies.

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.

In the 19th century, a thug from the slums of Paris pretends to be a young aristocrat, but is unmasked by a demi-mondaine, from the same background as him.