Desc: Las aguas bajan negras: Directed by José Luis Sáenz de Heredia. With Rosario Granados, Adriano Rimoldi, José María Lado, Mary Delgado. During the first Carlist war, Beatriz, daughter of an Isabeline colonel, secretly marries a Carlist captain who gets killed. Years later she returns to Rubiercos, an Asturian lost hamlet where she left her daughter, to find a troubled village where traditional rural lifestyle is threatened by the emerging coal mining industry and a new way of life darkening the river waters.