A television reporter and cameraman follow emergency workers into a dark apartment building and are quickly locked inside with something terrifying.
On a gloomy Sunday in Mexico City, three friends in their twenties look for a female friend that disappears at an after-party. As they believe the worse could be happening, and while confronting characters and situations that represent a fraction of the problems of contemporary Mexico, their dreams, concerns and fears come to light.
As every year, the Los Pinos school, a prestigious school of the confessional type, sends its students on retreat to the countryside. Under the watchful eye of teachers and priests, the children are led on the path of their physical and moral development. Through the gaze of several middle and upper class teenagers, the film shows how their upbringing affects the future of society itself.
