本剧是由日本作家石黑一雄的同名小说改编而来，是一部科幻悬疑片。故事的三位主人公在同一所学校就读，这所学校建立在与世隔绝的崇山峻岭中，一天学校新来了一位老师，这位老师一开始就被学校的教学理念所深深吸引，但是来了之后老师惊奇的发现学校中到处萦绕着一种神秘、诡异的气氛，这让她感到很恐惧，后来她慢慢得知了每个孩子的真是命运，得知真相的她承受了很大的精神压力，后来在孩子们即将毕业的时候她将这秘密告诉了孩子们。后来校长也将孩子们身上的特殊使命告知了他们，原来在这里的学生将来都要用自己的器官去帮助那些有需要的人，得知真相后三位主人公感到无比的恐惧和绝望，一晃多年过去，这三位主人公也都长大成人步入了社会，他们背负的使命也越来越近，三个人陷入了黑暗之中....

This play is adapted from the novel of the same name by Japanese writer Kazuo Ishiguro. It is a science fiction suspense film. The three protagonists in the story study in the same school, which is established in the isolated mountains. One day, a new teacher came to the school. This teacher was deeply attracted by the school's teaching philosophy from the very beginning, but came to the school. After reading the book, the teacher was surprised to find that there was a mysterious and weird atmosphere in the school, which made her feel very scared. Later, she gradually learned the true fate of each child, and she suffered a lot after learning the truth. Mental pressure, she later told the children the secret when the children were about to graduate. Later, the principal also told them the special mission of the children. It turns out that the students here will use their organs to help those in need in the future. After learning the truth, the three protagonists feel extremely fear and despair. In the past, these three protagonists also grew up and entered the society, and their missions became closer and closer, and the three fell into darkness....