Estela Inda, Miguel Inclán, Alfonso Mejía, Roberto Cobo, Alma Delia Fuentes, Francisco Jambrina, Jesús García Navarro, Efraín Arauz, Sergio Virel, Jorge Pérez, Javier Amézcua, Mario Ramírez, Ernesto Alonso
A group of juvenile delinquents live a violent life in the infamous slums of Mexico City; among them Pedro, whose morality is gradually corrupted and destroyed by the others.