In 1985, a group of criminals mock the security of the National Museum of Anthropology in Mexico City to extract 140 pre-Hispanic pieces from their showcases.
The film tells the circumstances surrounding the theft of several pre-Hispanic artifacts from the National Museum of Anthropology in Mexico City in 1985, and the surprise of the authorities when they discovered that the authors of such a feat had been two marginal young people from the suburbs, Carlos. Perches and Ramón Sardina (García Bernal and Leonardo Ortizgris), instead of the professional art thieves to whom the subtraction of objects was attributed.