地层 1:来客

电影分为 A、B 两部分。A 部分中，两位“来客”在夜晚一个废墟内相遇，并展开对各自早年家乡生活的回忆。他们离开这座楼房继续游荡，黑暗中又绕了回来——楼的样子变了，倒了，最终消失了。他们离开这里，沿途经过更多废墟，来到城市边缘一座由建筑垃圾堆成的山上，在山顶，他们看到了去往家乡的铁路线。 B 部分是关于 A 部分的主要拍摄场地的实际变化，展现了在它拆毁过程中出现在这片场地上的另外一些“来客”的状态。

Zhang Pengcheng, theleading character, loves music and resigned fromthe factory to study music creation. At present, he has more than 100 original songs. He used to sing in Beijing on streets, and then returned to hi shometown Xuzhou to make a living and feed himself. Another leading character Zhang Yisu,born in Taiwan, 15 years old when his father's family came to Xuzhou,not long after the deathof his father, in loneliness, he taught himself piano, MIDI music production. His many disciples,including idol stars. Bu the still lives in public housing, still makes a living selling e-wasteand still teaches music lovers for free. They are star-crossed,ordinary, great, wearing shabby clothes and singing the most beautiful songs!