Once Upon a Time in the West (1968), directed by Sergio Leone, is an epic Western known for its stunning cinematography, iconic score by Ennio Morricone, and complex characters.
The story revolves around a mysterious harmonica-playing gunman (Charles Bronson) seeking revenge against the ruthless assassin Frank (Henry Fonda), who works for a powerful railroad tycoon.
Meanwhile, a former prostitute, Jill McBain (Claudia Cardinale), arrives in the frontier town to find her new husband and his family murdered, caught in a land dispute. She becomes entangled with Harmonica and an outlaw named Cheyenne (Jason Robards) as they battle against the forces of greed and corruption.
With its slow-burning tension, unforgettable performances, and operatic style, Once Upon a Time in the West is regarded as one of the greatest Westerns ever made, blending themes of revenge, justice, and the changing American frontier.