The Stranger (1924)

"The Stranger," an outcast who works in a saloon frequented by Peggy Bowlin, a poor girl suffering through hard times. She finds romance with Larry Darrant and her life begins to improve. They make plans to wed and leave England, but when a convict assaults Peggy, Larry gets involved and accidentally kills him. The Stranger is arrested for the murder, but he refuses to declare his innocence because he doesn't want to destroy Peggy's happiness.