On October 2, 1968, a student uprising descends into violence after the Mexican government begins to use lethal force against the protesters.

María Rojo
as Alicia

Héctor Bonilla
as Humberto

Jorge Fegán
as Don Roque

Bruno Bichir
as Sergio

Demián Bichir
as Jorge

Paloma Robles
as Graciela

Ademar Arau
as Carlos

Marta Aura
as Vecina

Eduardo Palomo
as Herido

Carlos Cardán
as Subteniente