A southern Italian woman waits as her newborn child on life support in an incubator for three months. Consumed by solitude, she must find the internal strength to bring her child into the world.

1946 年，年仅七岁的亚美利戈从未踏出那不勒斯半步，也没离开过妈妈安东涅塔。他从小就在街上贫困度日，但这样的日子即将改变。他坐上“幸福列车”来到寒冷的北方，年轻的德娜德尔娜不仅张开双手欢迎，还悉心照顾起他。他在这里有了新的想法，不得不做出痛苦却能改变一生的决定。而要等到多年之后，他才悟出一个真理：爱不是束缚，而是放手。这部感人肺腑的史诗电影改编自薇奥拉·阿尔多内的畅销小说，描述一个小男孩在生母和继母之间左右为难，以他的视角经历贫穷和战后意大利的人间温暖。

Alba has Down's Syndrome and was left in the hospital when she was born. Thirty families rejected her before the court decided to entrust her to Luca: a Catholic — and gay — single man.