"레옹" (Léon: The Professional) is a 1994 French action-thriller film directed by Luc Besson. The story follows a professional hitman named Léon, played by Jean Reno, who forms an unlikely bond with a young girl named Mathilda, portrayed by Natalie Portman. After her family is murdered, Mathilda seeks refuge with Léon and learns the ways of his profession. The film explores themes of love, loss, and redemption, showcasing the relationship between Léon and Mathilda as they navigate a dangerous world. Gary Oldman plays the antagonist, a corrupt DEA agent, adding tension to the narrative. "레옹" has gained a cult following for its unique characters and emotional depth.