Avec l’aide d’un groupe de prisonniers espagnols à la tête de l’organisation clandestine du camp de concentration de Mauthausen, Francisco Boix, prisonnier travaillant dans le laboratoire photographique du camp, risque sa vie en planifiant la sortie secrète de certains négatifs. Ils montreront au monde les atrocités commises par les nazis dans l’enfer du camp de concentration autrichien. Des milliers de négatifs qui témoignent de toute la cruauté d’un système pervers. Les photographies que Boix et ses compagnons ont réussi à sauver ont été déterminantes pour condamner les hauts responsables nazis lors des procès de Nuremberg en 1946. Boix était le seul Espagnol à avoir assisté aux audiences.

In 1945, at the end of World War II, Neus Català returns to France, where she recalls her life under the Nazi yoke.

The life story of Vicente Miguel Carceller (1890-1940), a Spanish editor committed to freedom who, through his weekly magazine La Traca, connected with the common people while maintaining a dangerous pulse with the powerful.

Rafa, a Communist Republican exiled after the Spanish Civil War, returns to his hometown to carry out an attack against the imposed tyrannical regime, but the mission fails and, in his attempt to escape, he kidnaps a lady of high society.

In 1939, just finished the Spanish Civil War, Spanish republican photographer Francesc Boix escapes from Spain; but is captured by the Nazis in 1940 and imprisoned in the Mauthausen concentration camp, in Austria, a year later. There, he works as a prisoner in the SS Photographic Service, hiding, between 1943 and 1945, around 20,000 negatives that later will be presented as evidence during several trials conducted against Nazi war criminals after World War II.

The story of the Spanish Republicans of La Nueve, the 9th Company of the Régiment de marche du Tchad, part of the French 2nd Armored Division, known as Leclerc Division, whose troops were the first who entered Nazi-occupied Paris on August 24, 1944.