Sorrell and Son (1927)

Decorated war hero Stephen Sorrell has raised his son Kit alone after his wife deserted them in the boy's infancy. He loses a promising job offer and is forced to take work as a menial. Both his dignity and his health are damaged as he suffers under the exhausting labor and harsh treatment he receives as a hotel porter, but he thrives in the knowledge that his son will benefit from his labors. Sorrell has allowed the boy to believe that his mother is dead, but when she shows up wanting to re-enter the young man's life, Sorrell must make hard decisions.