A well-known business lawyer is shot dead in the courthouse. A commissioner of the Criminal Brigade is in charge of the investigation and is helped by a journalist.
Commissaire Martin Griffon
Sybille Berger
Le contrôleur Jean-François Rambert
Christian Lacassagne
Suzy Thomson, alias D'Annunzio
Avram Kazavian
Me Antoine d'Alins
Philippe d'Alins
Antoine Gomez
Millard, le directeur du ministre de l'Intérieur
Un observateur
