Émile Ferchaux
Young boxer Michel Maudet is sacked by his manager after a series of match defeats and is forced to look for a new job. He is engaged as secretary to a millionaire named Ferchaux who is in a hurry to flee the country when he discovers he has been implicated in a high-profile fraud.
A bank clerk is drawn into the risky world of a gorgeous gambling addict.
Arlette has too provincial parents to whom she announces her plan about own independence. After her departure, Marc, her absent fiance seek for her in vain in Paris until he discovers her picture on the magazine cover.
Insp. Salbris
Dr. Cordelier, living in a suburb of Paris, withdraws from society to pursue research into the functioning of the human brain. His lifelong friend, Maître Joly, becomes concerned when Cordelier draws up a will that bequeaths his entire estate to a stranger, Monsieur Opale; he cannot understand why Cordelier defends him, considering Opale attacks women and children. After a colleague is killed, Joly confronts Cordelier and discovers the truth behind his friend's behavior.
Unbeknownst to the members of a French family, a radio announcer makes them the subject of a broadcast.
