After the sudden dissolution of a party of young high-class, two grooms, Jaime and Paloma (Enrique Alvarez Felix and Julissa) are separated from the group and wander through some streets of Mexico City. Rain and search for a more suitable place for intimacy make recourse to an apparently abandoned car. After a brief flirtation love inside the car, the couple realizes that in fact the car is owned by Captain Jack and his caifanes. The meeting begins a tour of the city of Mexico, encouraged by the fascination Paloma shown by customs, speech and ways of working class and spontaneous friendship-but always the suspicious that provide Caifanes know. During the rest of the movie nightlife of Mexico City is portrayed in those tumultuous and psychedelic sixties. As the group travels cabarets, parks, funeral homes, taverns and public squares, some customs of the time alternating with a wide range of artistic expressions of the time is.