In the end of 90 s the world observe a boom of detective stories. In the post-modernity the literary kinds of narratives were very used again and the mystery stories were a success in the publisher market, even in Brazil, country where this kind of narrative never developed. But the detective stories, in this period, started to present some differences. Not that the classic elements weren t there, but, nowadays, they discuss aspects of the contemporary society. This work will observe how this kind of literature thinks the society and talk about the city life at the same time. The books of Luiz Alfredo Garcia- Roza, with Espinosa detective as the protagonist, were privileged in this work. Theories about the life in the contemporary cities and how people react to the effects of this kind of life were articulated with the reading of the metropolis representations. This study shows how the beginning of the detective stories were related with the big transformations that society were living in those days. The cities never were just a stage setting for the detective and his investigation. This work discuss this kind of narrative in the pos-modernity and the late success in the brazilian publisher market. And, because the detective narrative was always so connected with the city, the study observed too how those stories are in internet.