Dramatization, shot in natural settings, of the anonymous Cantar or Poema de Mío Cid that covers the most important events in the life of Rodrigo Díaz de Vivar. Following the oath of Santa Gadea, El Cid is banished but manages to conquer Valencia for his king, who grants him forgiveness. His daughters married the Infantes of Carrión, but are seriously humiliated by them in the “Corpes affront.” El Cid achieves the dishonor and defeat of the infantrymen. Throughout the program, the actor Fernando Nogueras presents, analyzes and comments on the text of the episodes represented.