The Poem of the Cid, (El Cantar de mio Cid), is a Spanish epic written it is widely considered Spain's national folktale, telling of fictionalized events of medieval Spain in the 11th century. It is based on the true story of Rodrigo Díaz de Vivar, a Castilian knight who in reality fought for both Christian and Muslim forces, and explores chivalric themes such as loyalty, honor, and justice.
The legendary Cid is the story of his exile by Alfonso VI and his reconciliation to the monarch. The Cid's situation seems hopeless, but while his exile isolates him from family, friends, and those who want to house him, but cannot, the Cid turns his unfortunate situation into one of loyalty, honor, and courage. Due to the missing first half of the manuscript, the poem begins "in medias res" with the sad exit of the Cid in Burgos. With tears on the men and women, the brave warrior charges out with a few other knights. As the poem moves it intends to make the most of his exile by boldly conquering many Moorish towns throughout Spain. As he races through the country conquering Moorish strongholds, he gains a reputation for being invincible plundering towns loaded with treasure and plenty of warriors joining to help him fight. He sends Alfonso many luxuries from his conquests, which Alfonso gladly accepts.