Léon: The Professional (1994)

In the streets of New York, the enigmatic assassin Léon finds himself entangled in an unexpected bond with Mathilda, a young girl seeking refuge from the brutal aftermath of her family's slaughter. As their unlikely friendship blossoms, Mathilda delves into Léon's world, learning the lethal art of his trade while seeking revenge. Directed by Luc Besson, this gripping tale unfolds into a riveting blend of action and emotion, with the stellar debut performance of Natalie Portman alongside the seasoned talents of Jean Reno and Gary Oldman.