Umberto Aquilino

Three girls are on a hitchhiking trip through northern Italy, the riviera, Venice, Pisa and Rome.

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.

An old gentleman, a direct descendant of Zorro, has a single son named Raimundo in whom there is no trace of proud pride.