Father Vincent is trying to build a church in the California neighborhood. Greeted by stones, he must face a sinister band of deviants excited by a shady cabaret performer. The abbot resists, gradually builds his church and regenerates all the wretches with whom he lives and especially the hardest, Bibi.
Jacotte, a little orphan, is adopted by two single uncles who are looking for a governess for her. Monique hides that she is very rich to be hired because she is seduced by the little girl. Her father, chocolate manufacturer and competitor of the uncles, decides to sink them. But everything works out when Monique marries one of the brothers.
Jacotte and her older sister Annie live in a Montmartrois workshop where Annie paints pictures of flowers. But the paintings do not sell. The bailiff threatens to seize the furniture so Jacotte decides to go see the owner. Jacques is conquered by the little girl and soon after by Annie.
Towards the end of the 19th century, the Duke of Gerolstein traveled to Paris. Sixteen years earlier he had a daughter who was taken from him by her mother who was chased out of the palace. After many dramatic adventures, the Duke finds his daughter in the person of Fleur de Marie, martyred throughout her childhood by the Owl and the schoolmaster.