Técnicos y Manuales del Sindicato de Trabajadores de la Producción Cinematográfica

An old gangster returns from the United States to Mexico City to live with his sister-in-law and his two nephews, where he will face the daily life of a middle-class family.

The story tells us about an old teacher from the town, who upon knowing he was going to die, entrusts his sixth-grade class to a colleague who had also been his student. Asking him to help them so that they could survive.