Ángel Magaña, Renée Dumas, Diana de Córdoba, Pedro Fiorito, Orestes Soriani, Percival Murray, Rosa Martín, Arnoldo Chamot, Nicolás Fregues, Roberto Escalada, Norma Giménez, Luis Otero, Ilde Pirovano
A man tries to avenge the death of his sister, a gambling addict. Another man, an ex-convict who whistles when he commits a crime, is reunited with his blind mother.