The film shows a small part of the Spanisch Civil War and deals with a group of children during the military rebellion on July 18th in 1936. Together with their families they live in a small village near Barcelona.
1991 Jaime Camino (the director and author of the film) made another film with this topic. It is called "El largo envierno" and takes place at the end of the war in Barcelona. It deals with the story of two brothers who fight in different gangs.