Lorenzino de 'Medici manipulates Alessandro ruler of Florence to save his beloved Bianca.

Eva Bianchi, who works as a manicure in a beauty salon in Milan, falls in love with the owner Adamo Rossi. But Adam, who at first always gives her roses, now no longer seems interested in her.

Lucia Spinelli, orphaned by both parents, is taken as a housekeeper in the house of Mrs. Carla Parodi, when she reaches the age of majority, the young woman is almost forced to marry Mrs. Carla's brother. After the marriage and the birth of the first child, Parodi's intrusions on the life of the two spouses continue.

Aboard the luxurious high-speed express “Freccia d’oro,” a jeweller carrying precious gems is targeted by thieves who take over the train, disabling alarms and barricading themselves in the baggage car. Meanwhile, a bridge ahead has collapsed, and the train is unaware due to the thieves’ isolation of the locomotive. Panic ensues among the passengers. Just as disaster looms, the young engineer sees a glowing cross in the fog, prompting him to stop the train in time. The cross is revealed to be a rosary from his mother, reflecting off the headlight. This divine sign saves everyone, and the thieves are captured.

Gina is the daughter of a provincial newsstand dealer and spends her time reading pulp magazines and dreaming of a glamorous vocation on the big city. She enters a beauty contest in a nearby city, without her father's permission, and, en route, meets Franco, a salesman.