About the assassination of Archduke Franz Ferdinand and the beginning of the First World War. Focuses on the relationship between a Serbian officer and his Austrian-born wife and their involvement in espionage between the countries.

• Forrester-Parant Productions
• Films Ultimatum
• Erich von Stroheim
• Abel Jacquin
• Bernard Lancret
• Dita Parlo
• Georges Rollin
• Marcel André
• Raymond Aimos
• Lila Kedrova