The tragic love story between Guido, the owner of a marble quarry and Luisa, the humble daughter of one of his employees, ends up in her giving birth to a baby boy. Giulio's mother is against them at first she takes her son abroad with an excuse and then has her grandson kidnapped making Luisa think the boy died in a fire.《来历不明的孩子》是拉法洛·马塔拉佐于1952 年在法国 导演，由伊冯娜·桑松,阿梅德奥·纳扎里,弗朗索瓦丝·罗赛等出演,剧中使用其它对白,是一部剧情片电影。