One Man in a Million (1921)

Lupino Delchini, a waiter in a little restaurant, is discharged for giving food to a penniless beggar, and Detective Hartley rewards the Italian by getting him an appointment as pound master. Flora is attracted to Lupino by his kindness, but when he adopts a small Belgian boy, he falls in love with Madame Maureveau, whom he believes to be the boy's mother.