A story revolving around the assassination of socialist leader Jean Jaurès in Paris in 1914. The script was improvised, and the film was shot on location in Mainz, Reims, Paris, Ibiza, and Formentera. The title refers to an islet near Ibiza in the Balearic Islands where part of the film was shot. Not to be confused with the 1971 album of the same name by the German group Can.