One of the richest Spanish men dies. However, while preparing his estate, he suffers a stroke and his family is shocked to discover that he wants to give his entire fortune to a young woman they have never heard of. What are they and what connects them? Charlotte Fairfax, a London-based get-rich-sudden consultant who sees it as a simple case, helps them to shed light on his puzzling behavior. After all, there is only one reason for an old man to bequeath money to a beautiful woman, or not? In Madrid, however, the shocking past of not only a prominent family, but also Charlotte herself begins to surface...