Paris, 1880s... Three children who have had a hard life, form the "Vidocq Brotherhood" and head up investigations imbued with mystery in defiance of the danger. Their adventures take them all over the city, from the Basilica of Sacré Coeur to the Statue of Liberty, as well as Montmartre’s mills, the Montparnasse station and the Eiffel Tower. In doing their work the three friends meet many famous characters whose fate they will influence without even knowing it!
