Garage Olimpo (1999) is an Argentinian film that tells the story of a clandestine detention center during the last dictatorship between 1976 and 1983. This fictional film investigates in the daily life of the detention center located in the city of Buenos Aires, as well as in the relationship between the detainees and their captors. By means of various narrative strategies, two parallel worlds intertwine: Which occurs in the clandestinity of the center, and the life that takes place in the city that welcomes it. Through the filmic analysis as a methodology, it is sought to know the implications of fiction to approach to traumatic issues of the recent past. The filmic analysis allows to figure out how the formal mechanisms are used to report the referred facts, and its meaning when the historical past is addressed, in this case, by means of fiction.