Who is Mario Conde? How did a brilliant state attorney manage to carry out the biggest financial operation so far in Spain? What were the keys for an intelligent young man of humble origin to gain access to Banesto's presidency and become one of the most powerful men in the country? How were business done in the high spheres of the Spanish economy in the 1980s and 1990s? Who controlled the "system"? What role did the government and the opposition play in the intervention of the banking entity? These are some of the questions to which Mario Conde will answer.