The Kid
A tramp cares for a boy after he's abandoned as a newborn by his mother. Later the mother has a change of heart and aches to be reunited with her son.
Starring Charlie Chaplin, Jackie Coogan, Edna Purviance, Carl Miller, Albert Austin, Charles Reisner, Lita Grey, Beulah Bains, Nellie Bly Baker, Henry Bergman
Watch "The Kid" on Amazon released in 1921. It's a drama and comedy movie, and has a rating of 8.2 out of 10 from Imdb which is very high for this kind of movie, and is currently only available for purchase or rent.