The film starts in the 13th arrondissement of Paris in 1984. Robert Pinot is a police officer as ordinary as clumsy. One day, he stops a certain Josyane, a young drug addict who is also doubled as a pickpocket, nicknamed Marylou. Having discovered that she comes from the same village, Nanteuil, then him, he takes compassion for the young girl and decides to take her under his wing to keep her away from Tony, a dangerous dealer with whom she is in love.
as Robert Pinot
as Josyane Krawczyk
as Tony
as Rochu
as Morcy
as Vaudreuil
as Blanchard
as Craquette
as Ferrand, Un flic
as Jeoffroy
as Dom
as Tom
as Ziton
as Vénus, le photographe
as Bertrand, le patron de sex-shop
as Le flic vexé
as Philippe Klébert
as Le clochard
as Le voyageur incommodé
as L'homme au walkman dans le métro
as L'homme au solex