 The “street urchins” in the era of post World War II are abandoned children, who survive precariously.Adults can guarantee them no food nor lodging, let alone education, and actually, in the general disorder of those years, for their extreme poverty and deceitful tricks, street urchins more commonly elicit disdain than pity.In this social context, Father Mario Borrelli is certain that the “street urchin” is not a delinquent and, after having obtained permission by this superiors, he decides to dress like a street urchin and, at night, mingles with them sharing their life and misadventures in the street, for four months.