La espada negra
- Cast: Maribel Martín, Juan Ribó, José María Rodero, Carlos Ballesteros, José Calvo
- Duration: 105 minutes
- Genre: Drama, History
- Rating: 6/10
- Release Date: 1976-11-02
Kingdom of Castile, 15th century. A group of nobles, who question the dynastic legitimacy of Princess Juana, daughter of King Enrique IV, conspire with the purpose of overthrowing him.
