"La Reina Del Sur" is a popular Spanish-language novel written by author Arturo Pérez-Reverte. The story follows Teresa Mendoza, a young Mexican woman who rises to power in the male-dominated world of drug trafficking. After her boyfriend is murdered, she flees to Spain, where she becomes a formidable drug lord known as "The Queen of the South." The novel has been adapted into a successful television series, which premiered in 2011, further popularizing the story. The series stars Kate del Castillo as Teresa and explores themes of survival, power, and the complexities of the drug trade.