Pierrot et Pierrette, brother and sister, live in a caravan with their grandfather, the former ringmaster of a circus. To earn a living, they sing in the streets, and their lives are happy. But a charitable lady interferes, determined to put grandfather in an old folks' home and the children in an orphanage. Pierrot and Pierrette run away, and fall into the hands of a travelling vendor who wants to use them for burglaries.
To fulfill her Father's wish, Grand Duchess Aurora (Huguette Duflos) is forced into an unhappy marriage with Grand Duke Rudolph (Henry Houry). He prepares to leave for the Congo but is murdered by his own brother (Georges Vaultier). Aurora goes to Paris with her father and, there, is told on the phone of her husband's death. After returning to the Kingdom, she meets a tutor (Jaque Catelain) who falls in love with her..
Blanchette, whose parents have sacrificed to give her an education, has received her teaching diploma, but is unable to find work. A dispute with her father leads to her being throw out of the house, and she goes to Paris to look for work.
