This film is a modern tale of gang battles in Mexico City. As each gang tries to defend their turf, resorting to crime and violence when necessary, a neighborhood priest tries to calm the streets by encouraging a graffiti competition. For a while it seems to be working. When a kid is slain over an affair with a girl, things spin out of control and both the police and the church must step up their efforts. The film's set to a pulsating beat of reggaeton music and Latino rap, featuring scores of kids from the barrio, talented musician, and graffiti artists. This film paints a picture of modern Mexico City that is both vibrant and hopeful as it is dangerous and destructive.