Peppino, a fishmonger on Campo de' Fiori, a famous Roman marketplace, works alongside Elide, a greengrocer, who has a soft spot for him, despite the fact they argue all day long... But neither Peppino, nor his friend Aurelio, the barber, are interested in getting married. Until he meets the beautiful Elsa...
Carlo Rutelli falls in love with the beautiful variety singer Yvonne la Nuit, but his father opposes the wedding. World War I breaks out and Carlo is killed while Yvonne has a son, but on orders from Carlo's father, she is told he is dead. Her career descends and only Nino, an art partner, remains close to her and helps her earn her living by singing in taverns.
Toto (Aldo Fabrizi), a Roman coachman with an old fashioned horse-drawn carriage who objects to the competition from motorised taxis, doesn't want his daughter Nannarella to go out with Roberto, a young taxi driver. But it is Roberto who helps him when he gets into trouble with a former client, Mary Dunchetti (Anna Magnani), an arrogant singer.
