15岁的少年米夏·伯格（大卫·克劳斯 David Kross 饰）偶遇36岁的中年神秘女列车售票员汉娜（凯特·温丝莱特 Kate Winslet 饰），后来两个发展出一段秘密的情人关系。汉娜最喜欢躺在米夏怀里听米夏为他读书，她总是沉浸在那朗朗的读书声中。年轻的米夏沉溺于这种关系不能自拔的同时，却发现他自己根本不了解汉娜。忽然有一天，这个神秘女人不告而别，米夏在短暂的迷惑和悲伤之后，开始了新的生活。

We are in East Berlin, 1978. It’s summer, three years after Wassilly’s death. Nelly’s boyfriend and Alexei’s father died in a car accident in Russia. Since he is dead, Nelly wants to leave too. Away from the GDR, to leave the grief and the memories behind. To get a fresh start. That should be possible in the West, or so Nelly believes.