
The detectives of the Paris Judicial Police, based at the Quai des Orfèvres, are mobilized by four criminal cases. A double murder, perpetrated in a hotel on the Place de Clichy, intrigues the investigators. The owner and a little maid were murdered in cold blood.
Violette Chatelard
Commissioner Frédéric
Commissioner Dupuis
Inspector Giverny

Loubier, hotel boy
Bob, the aristocrat arrested
Pauline Georges
Inspector Valentin
Director of the P.J.
Madame Cassevent