The exploits of Chief Police Inspector Chabrier, first before the invasion of France in May 1940 as he fights against spies preparing the coming the Germans, particularly Emmy de Welder, the alleged manager of the Rouen hospital. Later, Chabrier and his men go underground and resist the occupiers whatever the price to pay. When the Liberation comes Chabrier resumes his activities at the French National Police.
Jany Holt
as Emmy de Welder
Pierre Renoir
as Landberg alias Moravetz
Jean Davy
as Commissioner Chabrier
Raymond Cordy
as Mérignac
Léo Lapara
as Péroni
Gaëtan Jor
as
Fernand Fabre
as Von Wildenstein
Marcel Delaître
as Colonel Kleider
Jérôme Goulven
as Staub
Louis Florencie
as Stuttering station master