卢卡斯（保罗·索萨 Paulo Sousa 饰）和姨妈罗德斯（Juliana Zancanaro 饰）过着相依为命的生活。罗德斯是一名非常虔诚的基督教徒，每当她做礼拜时，卢卡斯都会为她用电子琴奏响圣乐。一天，罗德斯宣布家里要增添一名住客，那就是她刚刚…

Buffalmacco and his friend Bruno Degli Olivieri make a joke of Calandrino, forcing him, for ten florins, to buy a stone that should make invisible the one who owns it.