The story of the Santa María School massacre of miners in 1907.
Directed by: Humberto Solás
Cast: Nelson Villagra, Shenda Román, Eric Heresmann, Alfredo Tornquist, Leonardo Perucci, Peggy Cordero, Flavia Ugalde, Roberto Contreras, Alejandro Pérez, Pedro Chaskel, Juan Seoanne