电影《中央车站》讲述了一个现实生活中的故事，主人公朵拉在里约热内卢最主要的火车站中央车站为不识字的人写信。一天，安娜带着她的儿子约书亚来到车站，约书亚想见他素未谋面的父亲。朵拉和邻居艾琳以念白天写的信取乐，重要的信就寄，其他的信则统统扔掉。不料，安娜在出站后发生车祸身亡，母性的驱使下，朵拉答应带约书亚到东北部去寻找他的父亲。

故事的背景是巴西贫富分化极大的社会，人们的命运被时代和社会压迫束缚。影片中的主人公朵拉也是一个现实主义者，她以写信为生，收取低廉的报酬。然而，在母性的驱使下，她决定帮助约书亚去寻找他的父亲，她在旅途中与约书亚相处，逐渐体会到了母性和人性的复杂性。

影片中通过不同的场景和情节，展现了人性的复杂性和内在的矛盾。朵拉的举动表现了母性的力量和母亲对子女的关爱，同时也表现了现实主义和人性之间的冲突。这种冲突体现在朵拉一直坚持只写重要的信，却因母性驱使而改变了自己的立场。

此外，约书亚的经历也反映出了贫富差距和社会压迫对人的影响。他的父亲在经济困难的情况下离开了家庭，而母亲在经济上也无法支持他的寻找父亲之旅。在旅途中，约书亚经历了许多困难和挫折，但是他依然坚定地寻找自己的父亲。

影片以巴西的社会现实为背景，展现了人性的复杂性和内在的矛盾，同时也表现了母性和人性的互动关系。影片中的朵拉和约书亚都是社会底层的人物，他们在困境中坚韧不拔，为我们呈现出了人类的美好品质。

"Central Station" is the place where the hero and heroine meet, but it is not just a station, but more like the epitome of this society. Dora is an old woman who earns a living by writing and mailing letters in Central Station. Joshua is a poor boy who has been separated from his father since he was a child. He can't remember his father's appearance as long as he can remember. He longs for his father to come back to see him, so his mother Anna brings Joshua to find Dora. write a letter. And Dora's pleasure is to read these letters aloud, help to send out the good ones, throw away the bad ones, and temporarily seal the ones that are not sure in the drawer. The next day, Anna and Joshua came to Dora to write a letter again, but an accident happened. On the way back, Anna was killed in a car accident. Poor Joshua had tears in his eyes, feeling unspeakably sad. This scene completely inspired Dora's hidden maternal love. She decided to help Joshua find the father she had never met. In this way, Dora was also looking for the meaning of her life in the process of helping Joshua