Chronicle of the repression that a foreign company exerts on the miners of a small nitrate town in Chile, whose workers decide to claim their most essential rights. A reflection of the historic union struggles in the northern Chile that ended with terrible repressive acts.

Drama, History

Gian Maria Volonté, Diana Bracho, Patricia Reyes Spíndola, Salvador Sánchez, Claudio Obregón, Julián Pastor