In the sixteenth century the King of Spain issued his soldiers with a three-pronged mission: to find gold, spread the word of Christianity and claim new territories for Spain. The Conquistadors, as they became known, set off into the world to do just that, and nothing was to stand in their way. Some say that the discovery of the New World is the greatest event in history. Others, that it amounted to the bloodiest massacre of all time. Conquistadors follows the Spanish explorers as they unleash their terrifying religious wrath upon the Inca and Aztec empires and explains how the conquest of the New World transformed the Old World forever.