The parade of troops of the Spanish People's Army before going to the front. Fighters of the international brigade speak at a rally dedicated to the opening of a monument to international workers' solidarity in Madrid. Soldiers of the Republican Spanish Army are watching the flight of the plane. Medical workers provide first aid to a woman injured in a bombing. Construction of military fortifications in the area of Madrid. Dances and games of Spanish youth on a street in Barcelona. Sports holiday in Madrid: moments of competition for motorcyclists; playing football. Children evacuated from the front line to Barcelona receive milk; eating at the table.