The maid of a clandestine brothel in Marseille is found murdered. The inspector Sergil, in charge of the investigation will employ somewhat particular methods in order to unmask the assassin.
as l'inspecteur Sergil
as Elisabeth Poirier, dite Lily
as l'inspecteur Léon, l'adjoint de Sergil
as Gaston Brivaut, commerçant et trafiquant
as 'Bouche-en-Coeur'
as Fernand
as Irène