the way of all flesh (1927)

alberto, a young man with a poor past, returns home to his mother after a long period of absence and, laboriously, finds work as a gas station attendant. but the girl he is in love with does not tolerate a mediocre life and pushes him to renew his relationship with a swindler: filippo. he, already a lover of the girl, wounds her during a dispute and blames alberto. the latter's mother, to save her son from a new sentence, will prove his innocence by being killed by filippo.