Marguerite Jeanne Japy was born in Beaucourt, France to a family of fortune. She married French painter Adolphe Steinheil in July 1890. Steinheil did not enjoy much artistic success but made a good living painting society portraits and restoring church windows.In 1897 Marguerite became the mistress of French President Félix Faure .
In June 1940, in a village of Franche-Comté occupied by the Germans, five children decide to join the resistance in their own way, against the German invaders.
The series follows the adventures of lighthearted Jean-Paul Moulin, a police Commissaire, and his team as they solve crimes.