Léon plot
"If you want a job done well, hire a professional."
1994, New York. Léon (Jean Reno) is a hitman by profession. He observes the comings and goings of the inhabitants of a building. On the same floor of Léon lives a family whose father is a drug trafficker. The man is threatened by a man called Stansfield (Gary Oldman), a shady cop who returns the next day and kills the man and the rest of the family. Only twelve-year-old Mathilda (Natalie Portman) can escape. Mathilda is protected by Léon, and the girl is determined to take revenge and learns the tricks of the trade from Léon.