Diego is one of the chiefs of the Spanish Communist Party. On his way from Madrid to Paris, he is arrested at the border for an ID check but manages to get free. When he arrives in Paris, he starts searching for one of his comrade to prevent him from going to Madrid where he could be arrested.
- Genre: Drama
- Studio: Sofracima, Europa Film
- Keyword: spain, paris, france, franco regime (francoism), terrorist group, communist infiltrator, 1960s, anti-fascism, post spanish civil war, exiled spanish republican, clandestine life
- Cast: Yves Montand, Ingrid Thulin, Geneviève Bujold, Jean Dasté, Dominique Rozan, Jean-François Rémi