"The Devil", "The Old" and "Seven", who is the Old's girlfriend, are a group of thugs who traffic in the city. Things don't go as expected when a car with money and goods disappears and all who are involved begin to appear dead. The Devil and the Old begin investigating what happened and discover that behind all this is a betrayal...and this characters will know soon why the Devil must not be deceived.

As Mexico prepares to host the 1968 Olympics, students and civilians are uniting on the streets to protest the authoritarian government. Tensions are running high and the eyes of the world are on Mexico and President Gustavo Diaz Ordaz. Ana Maria, a student photographer and daughter of a high-ranking official, finds herself embroiled in the movement and is swept off her feet by Félix, a working-class architecture student. This film remembers the events that led to one of the darkest chapters in Mexico’s recent history: the massacre at Tlatelolco, 10 days before the opening of the Olympic Games.

A bureaucrat within the Bureau of Family Planning is promoted and becomes its head official, but despite that, his daughters, wife and even the maid get pregnant.