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.

Carlo, a young doctor, occasionally meets Anna, the daughter of professor Valli. Carlo falls in love with Anna, who returns his feelings; but her father longs a brilliant marriage for her.

The Woman Who Invented Love (Italian: La donna che inventò l'amore) is a 1952 Italian historical melodrama film

A woman takes her ill husband's place in a smuggling ring and steals the heart of his partner.