The mistress of the wealthy Henri Marcoux is murdered and the family accuses the milkman of committing the crime. But Marcoux's daughter's fiancé suspects that she may have been murdered by someone else.

• Panitalia
• Paris Film Production
• Madeleine Robinson
• Antonella Lualdi
• Jean-Paul Belmondo
• Jeanne Valérie
• Jacques Dacqmine
• Bernadette Lafont
• André Jocelyn
• Szabó László