Marceau Léonetti, a competent and energetic officer stops by chance the son of an influential lawyer driving under the influence of alcohol. A few months later, the lawyer falsely accuses Léonetti as being violent and incompetent. As a result Marceau is transferred to a small police station, where he meets young and beautiful Jeanne. Soon they are faced with a tough investigation.
Lino Ventura
as Principal Inspector Marceau Leonetti
Marlène Jobert
as Jeanne Dumas, the new auxiliary
Michel Constantin
as Greg, the henchman
Paul Crauchet
as Jacques Loring, Martin's neighbor
Alain Mottet
as Frank Lambert, Leonetti's colleague and friend
Béatrice Arnac
as Silvia
Guy Heron
as Soramon
Albert Dagnant
as Arnold
Monique Mélinand
as Mrs Loring
Marcel Pérès
as Mr Lenoir
Germaine Delbat
as Mrs Lenoir
Hervé Sand
as Gravel
